mbg;gil ,urhadk; · 2020. 3. 21. · mbg;gil ,urhadk; gy;nju;t tpdhf;fs; (2019/old & new /mcq...

mbg;gil ,urhadk; gy;Nju;T tpdhf;fs;

(2019/old & new /mcq 01)

(2019/old & new /mcq 02)

(2019/old & new /mcq 05)

(2019/old & new /mcq 09

(2019/old & new /mcq 11)

(2019/old & new /mcq 12)

1)

2)

3)

4)

5)

6)

(2019/old & new /mcq 32)

(2019/old & new /mcq 41)

(2018/ mcq/01)

(2018/ mcq/02)

(2018/ mcq/04)

(2018/ mcq/05)

9)

)

10)

11)

12)

7)

8)

(2018/ mcq/09)

(2018/

mcq/11)

(2018/ mcq/16)

(2018/ mcq/20)

(2018/ mcq/39)

(2018/mcq/41)

19) Fwpj;j xU kpd;fhe;jf; fjpHg;G xd;wpd; xU Nghl;Nlhdpw;Fupa rf;jpahdJ 6.62x10-22 kJ MFk;. ,f;fjpHg;gpd; miyePskhf miktJ>

(1) 3 x10-4 nm (2) 3x10-7nm (3) 3 x 102nm (4) 3 x 105nm (5) 3 x 10-5nm

(2017/mcq 01)

13)

)

14)

)

15)

)

16)

17)

18

)

20) N, F, Ar, Cl, Al, K Mfpa %yfq;fspd; Kjyhk; madhf;fw;rf;jp mjpfupf;Fk; tupir. (1) K< Al < Cl < Ar < N< F (2) K < Al < Ar < Cl < N < F (3) K < Al < Cl<N <F<Ar

(4) K < Al < N < F < Cl < Ar (5) K < Al < Cl < N < Ar < F

(2017/mcq 02)

21) %d;whk; MtHj;jd %yfq;fs;> mit cUthf;Fk; NrHitfs; njhlHghd gpd;tUk; $w;Wf;fspy; vJ jtwhdJ

(1) ,it cUthf;Fk; mjpAaH xl;rpNaw;w epiyf;Fupa xl;irl;Lf;fspd; mkpyr;

rpwg;gpay;G ,lkpUe;J tykhf MtHj;jdj;jpd; topNa mjpfupf;fpwJ. (2) Si,P,S,Cl vd;gd cUthf;Fk; xl;rpakpyq;fspy; mk;%yftZf;fs; sp3 fyg;Gepiyapy; fhzg;gLfpwJ. (3) ,k;%yfq;fspd; gq;fPl;L tYr;NrHitfis cUthf;Fk; jd;ik MtHj;jdj;jpd; topNa ,plkpUe;J tykhf mjpfupf;fpwJ. (4) ,tw;wpd; cWjpahd mad;fisf; fUJkplj;J kpff;Fiwe;j> kpff;$ba Miuia KiwNa Al,Si vd;gd nfhz;bUf;Fk;. (5) Na,Mg,Al Mfpatw;wpd; mad;fs;> Fwpj;jnthU md;dadpd; ,yj;jpud; Kfpiy Kidthf;Ftjw;fhd jpwd; Na, Mg, Al vDk; Nghf;fpy; mjpfupf;fpwJ.

(2017/mcq 04)

22) Sc ,d; kpf cWjpahd madpd; ntspNahl;L ,yj;jpundhd;wpw;F rhj;jpakpy;yhj rf;jpr;nrhl;nlz; njhil gpd;tUtdtw;Ws; vJ?

(1) (3,2,-1, + ½ ) (2) (3,0, 0, + ½ ) (3) (3,1,0, - ½ )

(4) (3,1,-1, + ½ ) (5) (3,0, 0, - ½ )

(2017/mcq 04)

23) H2S2O2 vd;Dk; XH rkr;rPuw;w fl;likg;igAila ,U%y xl;rpakpyj;jpd; ikaf;fe;jf mZ njhlh;ghd gpd;tUk; ve;epiu rupahd jftiyj;jUfpwJ

xl;rpNaw;wepiy

fyg;G mZf;fspd;

xOq;fikg;G tbtk;

,yj;jpud; Nrhbf; Nfj;jpufzpjk;

(1) +2 sp3 ehd;Kfp ehd;Kfp

(2) +4 sp3 Kf;Nfhz$k;gfk; ehd;Kfp


(4) +2 sp3 Kf;Nfhz$k;gfk; ehd;Kfp


(2017/mcq 10)

24) %yf;$W N2O2 ,w;F vj;jid gupTf;fl;likg;Gfis tiuayhk;(mbg;gilf;fl;likg;G O – N – N – O)

(1) 2 (2) 3 (3) 5 (4) 6 (5) 7

(2017/mcq 20)

25)

vd;Dk; %yf;$W njhlHghd gpd;tUk; $w;Wfspy; vJ/vit cz;ikahdJ/cz;ikahdit>

(a) a,b,c,d vdg;ngauplg;gl;l fhgd; mZf;fs; ahTk; xNu jsj;jpy; fhzg;gLk;. (b) ,t; %yf;$wpy; midj;J fhgd; mZf;fSk; sp2fyg;G epiyapy; cs;sd. (c) ,t; %yf;$wpy; 7 fhgd; mZf;fs; xNu jsj;jpy; fhzg;gLk;. (d) ngd;rPd; tisaj;jpy; cs;s fhgd;> fhgd; mZf;fSf;fpilapyhd gpizg;G ePsKk; b,c vdg; ngauplg;gl;l fhgd; mZf;fSf;fpilapyhd gpizg;G ePsKk; xd;Wf;nfhd;W rkdhFk;.

(2017/mcq 32)

26) gpd;tUk; tpQ;Qhdpfspy; Ijurd; epwkhiyAld; njhlHG mw;wtH.

(1) J.J. ghkH (2) gPw;wH rPkd; (3) ypd]; ngsypq; (4) jpNahNlhu; iykd; (5) ePy];; NghH

(2016/mcq01)

27) Na+, F, Al, Cl-, C, N Mfpa mZf;fs; my;yJ mad;fspd; 1k; madhf;fw; rf;jp mjpfupf;Fk; xOq;F KiwNa>

(1) Na+ < Al < C < N < F <

Cl- (2) Al < C < N < F < Na+ < Cl-

(3) C < N < F < Al < Na+ <

Cl- (4) Cl- < Al < C < N < F < Na+

(5) Cl- < Al < Na+ < C < N

< F

(2016/mcq02)

28) %d;whk; MtHj;jdj;jpy; Na njhlf;fk; Cl tiuahd %yfq;fs; gw;wpa gpd;tUk; $w;Wf;fspy; jtwhdJ?

(1) ,k;%yfq;fspd; mjpAaH tYtsT MtHj;jdj;jpd; topNa rPuhf mjpfupf;Fk;.

(2) ,tw;wpy; ngUk;ghyhd %yfq;fs; ,uz;lhk; MtHj;jdj;ijr; NrHe;j xj;j $l;l%yfq;fistpl caH kiw ,yj;jpud; ehl;lKilait.

(3) ,k;%yfq;fspd; gq;fPl;LtYg;gpizg;ig cUthf;Fk; Mw;wy; MtHj;jdj;jpd; topNa mjpfupf;fpd;wJ.

(4) ,tw;wpd; cWjpahd mad;fisf; fUJifapy; mYkpdpak;> rpypf;fd; vd;gd KiwNa mjpjho;> mjpAaH mad;gUkidf; nfhz;bUf;fpd;wd.

(5) ,k;%yf xl;irl;Lf;fspy; mjpAaH cUFepiyiaAilaJ MgO MFk;.

(2016/mcq04)

29) gpd;tUk; vt;tpU %yf;$Wfspd; nfhjpepiy khw;wj;jpw;F yz;ld; fiyT tpir mjpf gq;fspg;ig nra;fpd;wJ.

(1) CH3OH, H2O (2) NH3, PH3 (3) Br2, ICl

(4) HCl, HBr (5) HCHO, CO2

(2016/mcq06)

31).N2O3 %yf;$wpw;F tiuaj;jf;f gupTf;fl;likg;Gf;fspd; nkhj;j vz;zpf;if ahJ? (%yf;$wpd; mbg;gilf; fl;likg;G jug;gl;Ls;sJ)

(1) 2 (2)3 (3) 4 (4) 5 (5)6 (2016/mcq20)

32) gpujhd rf;jpr;nrhl;nlz; (n), jpirtpw;rf;jpr;nrhl;nlz; (ℓ), fhe;jrf;jpr;nrhl;nlz; (mℓ), fwq;fy;

rf;jpr;nrhl;nlz; (ms) Mfpatw;wpd; mbg;gilapy; mike;j gpd;tUk; vf;$w;W my;yJ $w;Wfs;

jtwhdJ / jtwhdit.

a. n = 3, mℓ = -1 MfTs;s tYtsT ,yj;jpud; xd;iwf; nfhz;l %yfk; p njhFjp %yfkhf mikjy; Ntz;Lk;.

b. n = 3, ms =+½ MfTs;s tYtsT ,yj;jpuid Nrhbak; nfhz;bUj;jy; Ntz;Lk;. c. n = 3, ℓ = 0 MfTs;s tYtsT ,yj;jpuidf; nfhz;Ls;s %yfk; xd;W s njhFjp

%yfkhf mikjy; Ntz;Lk;. d. n + ℓ = 4 MfTs;s cgrf;jpkl;lk; xd;W 3p MfNth my;yJ 4s MfNth mikAk;.

(2016/mcq36)

30) gpd;tUk; ml;ltizapy;ve;epiu,Uiejurd; ,UGNshiul;L (N2F2) %yf;$wpy; N njhlHghd

rupahd jftiyj; jUfpwJ.

x l ; r p N a w ; w V w ; w k ; fyg;ghf;fk; ,yj;jpud;Nrhb N-F gpizg;gpd; tif ,ay;G

epiy Nfj;jpufzpjk;

(1) +1 0 sp Nfhzy; N (sp f.x) + F (2pm.x)

(2) +1 0 sp2 Nfhzy; N (sp2f.x) + F (2pm.x)

(3) +1 0 sp2 jsKf;Nfhzp N (sp2f.x) + F (2pm.x)

(4) +2 0 sp2 jsKf;Nfhzp N (sp2f.x) + F (2pm.x)

(5) +1 +1 sp2 jsKf;Nfhzp N (sp2f.x) + F (2pm.x)

(2016/mcq11)

33)

vDk; khw;wk; njhlHghd gpd;tUk; $w;Wf;fspy; vJ / vit

rupahdJ / rupahdit.

(a) C mZtpd; fyg;Gepiy sp2 ,ypUe;J sp3 f;F khw;wkilfpd;wJ. (b) C – O gpizg;G ePsk; mjpfupf;fpd;wJ. (c) cUthFk; tpisT CO32- ,y; 3 C-O gpizg;Gf;fSk; xd;Wf;nfhd;W rkdhf

,Ug;gJld; mtw;wpw;F ,ilg;gl;l Nfhzk; 1200 ckhFk;. (d) C mZtpd; xl;rpNaw;wepiy khw;wkilfpwJ.

(2016/mcq37)

34)

(2016/mcq41)

35)

(2016/mcq45)

mikg;Gf;fl;Liu tpdhf;fs;

01) .a) MtHj;jd ml;ltizapd; Kjy; gj;J %yfq;fisAk; fUj;jpw; nfhz;L gpd;tUk; ,ay;Gfisf; fhl;Lk; %yfq;fis ,dq;fz;L mtw;wpd; FwpaPLfisj; jUf. (i) I. fUNtw;wj;jpw;Fr; rkkhd gUkDila gad;gLfUNtw;wj;jpid czUfpd;w ,yj;jpud;

xd;wpidf; nfhz;lJ : ……………………....................

II. kpff; Fiwe;j xl;rpNaw;w vz;iz cilaJ : ……………………....................

III. mjpAaH kpd;ndjphpay;G cilaJ : …………………….................... (ii) Nkw;gb tpdh (II) ,y; ,dq;fhzg;gl;l %yfk; tpdh (I), (III) ,y; ,dq;fhzg;gl;l %yfq;fSld; jdpj;jdpNa cUthf;Fk; NrHitfspd; ,urhadr; #j;jpuq;fis vOJf. ……………………………………………………………………………………………. (iii) Nkw;gb tpdh (ii) ,y; vOjg;gl;ltw;Ws; caH kpd;ndjphpay;Gila ika mZtpidf; nfhz;l NrHitia ,dq;fz;L mjd; cau; kpd;ndjpupay;gpw;fhd fhuzq;fis RUf;fkhf jUf. ………………………………………………………………………………………………………………………

………………………………………………………………………………………………………………………

…………………………... b) Chlorine dioxide MdJ (ClO2) miwntg;gepiyapy; fhu Clfj;jpy; ,Utoptpfhukile;J +3, +5 xl;rpNaw;w vz;zpw;Fupa ,U xl;Nrh md;dad;fis jUfpd;wJ. (i) +5 xl;rpNaw;w vz;zpw;Fhpa xl;Nrh md;dadpd; ,urhadr; #j;jpuj;jpidAk; IUPAC ngaiuAk; vOJf. …………………………………………………………………………………………… (ii) Nkw;gb tpdh (i) ,y; ePu; Fwpg;gpl;;l md;dadpw;fhd midj;Jg; ghpTf; fl;likg;Gf;fisAk; tiuf. (iii) ghpTf; fyg;gpw;F NkNy tpdh (ii) ,y; tiue;j ghpTf; fl;likg;Gf;fspd; gq;fspg;gpid nghUj;jkhd fhuzq;fSld; tpghpg;gJld; nghUj;jkhd ghpTf;fyg;igAk; tiuf. …………………………………………………………………………….………………………………………

…………………………………………………….………………………………………………………………

…………………………….………………………………………………………………………………………

…….…………………………………………………………………………………………….…………….. (iv) Nkw;gb tpdh (i) ,y; Fwpg;gpl;l md;dadpd; gpizg;Gf; Nfhzq;fs;> gpizg;GePsq;fs; vd;gtw;iw jFe;j fhuzq;fSld; jdpj;jdpNa xg;gpLf. (mstwp ngWkhdk; mtrpakd;W) …………………………………………………………………………….………………………………………

……………………………………………………….……………………………………………………………

……………………………….…………… ……………………………………………………………………………….…………… (v) HClO2 ,d; cWjpahd Y}ap fl;likg;ig tiuf.

(vi) ePu; NkNy tpdh (v) ,y; tiue;j Yhap fl;likg;gpYs;s FNshupd; mZtpidAk;> IjurDld; ,ize;j xl;rprd; mZtpidAk; fUj;jpw;nfhz;L gpd;tUk; ml;ltizapid epug;Gf.

tplak; Cl O fyg;ghf;fk;

,yj;jpud; Nrhbf; Nfj;jpufzpjk;

mZf;fspd; xOq;fikg;G tbtk;

xl;rpNaw;w vz;

c) milg;Gf;Fwpf;Fs; jug;gl;bUf;Fk; ,ay;gpd; mbg;gilapy; VWtupirg;gLj;Jf.

(i) F, Cl, Br (,yj;jpud; ehl;lk;) ..........……………………………………………………………………………….……

(ii) CH4, NH3, NF3 (,UKidTj; jpUg;Gjpwd;) ………..............……………………………………………………………….…………

(iii) CF4, CBr4, CCl4 (C ,d; kpd;ndjpu;j;jd;ik) ….........………………………………………………………………………………….

(iv) Na+(g), Mg2+(g), Al3+(g) (ePNuw;wy; ntg;gTs;Siw) ……….........……………………………………………………………………….……

(v) CH3OH, NaCl, I2 (ePH %yf;$WfSld; cUthFk; ,ilaPHg;G typik) ………….......…………………………………………………………………….………

(2019/old&new/A/1)

(2018/A/1)

03) (a) gpd;tUtdtw;iw milg;Gf;Fwpf;Fs; Fwpf;fg;gl;Ls;s ,ay;Gfs; mjpfupf;Fk;

tupirapy; xOq;FgLj;Jf.

i. S,C,H,Br (kpd;ndjpH ,ay;G)

………………………<………………………<…………………….<………………………

ii. Ag+, Mg2+, Zn2+, Fe2+ (ePHf;fiurypy; xl;rpNaw;Wk; fUtpahfj; njhopw;gLk; Mw;wy;)

………………………<………………………<…………………….<………………………

iii. AgI, AgBr, AgCl, AgF (gq;fPl;Lr; rpwg;gpay;G)

………………………<………………………<…………………….<………………………

iv. CH4, HCl, PH3, H2S (nfhjpepiy)

………………………<………………………<…………………….<………………………

v. SOCl2, XeF2, ICl4-, CO3

2- (ika mZitr; #oTs;s js;Sif myFfspd; vz;zpf;if)

………………………<………………………<…………………….<………………………

(b) %yfq;fs; P,Q,R,S vd;gd mZ vz; 20 ,Yk; Fiwe;j mNyhf %yfq;fs; MFk;. ,it cWjp caH tYtsthf KiwNa 7,6,4,5 ,idg; ngWfpd;wd. R,S vd;gd mtw;wpw;Fupj;jhd $l;lq;fspy; mjp caH kpd;ndjpHj;jd;ikiaf; nfhz;l %yfq;fs; MFk;. ,k; %yfq;fspdhy; cUthf;fg;gLk; %yf;$W H2RQPSO3 ,d; mbg;gilf; fl;likg;G fPNo jug;gl;Ls;sJ.

i. P, Q, R, S Mfpa %yfq;fis ,dq;fhz;f.

P -……………………………..…………….. Q -……………………..………………………

R -………………………………….………

S…………………..…………………………

ii. ,k; %yf;$Wf;F kpfTk; Vw;Wf;nfhs;sj;jf;f Y}apf; fl;likg;ig tiuf.

…………………………………………………………………………………………………….

…………………………………………………………………………………………………….

…………………………………………………………………………………………………….

…………………………………………………………………………………………………….

iii. %yf;$Wf;F MW gupTf;fl;likg;Gfis tiuf.

(NkNy (ii) ,y; tiuag;gl;l fl;likg;igj; jtpu)

…………………………………………………………………………………………………….

…………………………………………………………………………………………………….

…………………………………………………………………………………………………….

iv. NkNy (ii) ,y; tiue;j Y}apf; fl;likg;gpd; mbg;gilapy; fPNo jug;gl;Ls;s ml;ltizapy;

Q,R,S Mfpa mZf;fspd;

1. mZitr; #oTs;s ,yj;jpud; Nrhbf; Nfj;jpufzpjk; (,yj;jpud; Nrhbfspd;

xOq;fikg;G)

2. mZitr; #oTs;s tbtk;.

3. mZtpd; fyg;ghf;fk;.

4. mZitr; #oTs;s gpizg;Gf; Nfhzj;jpd; mz;zsthd ngWkhdk; vd;gtw;iwf;

Fwpg;gpLf.

v. NkNy gFjp (ii) ,y; tiue;j Y}ap fl;likg;gpy; gpd;tUk; σ - gpizg;Gfspd; cUthf;fj;Jld;

rk;ge;jg;gl;l mZ/ fyg;gpd; xgpw;wy;fis ,dq;fhz;f.

P – Q : P………………………………….. Q………………………..………........

Q – R : Q…………………………………. R………………………..……….……

R – S : R………………………………….. S……………………..……………….

vi. 1. Nkw;gb %yf;$wpy; %yfq;fs; Q, R ,y; caH kpd;ndjpHj;jd;ik cilaJ vJ?

……………………………………………………………………………………………

2. %yf;$W xd;wpy; cs;s %yf mZnthd;wpd; kpd;ndjpH ,ay;igj; jPHkhdpf;Fk; gpujhd

fhuzpfs; 2 If; Fwpg;gpLf.

……………………………………………………………………………………………

……………………………………………………………………………………………

(c) myrd; Ijiul;Lf;fshd HCl, HBr, HI If; fUJf.

1. fiyT ,il<u;g;G tpir (yz;ld; ,ilf;ftHr;rptpir) typik mjpfupf;Fk; xOq;ifj;

jUf.

………………………………<……………………………<……….…………………….

2. ,UKidT ,UKidT ,ilf;ftHr;rptpir typik mjpfupf;Fk; tupiriaj; jUf.

………………………..……<……………..………………<………………..…………….

3. nfhjpepiy mjpfupf;Fk; xOq;ifj; jUf.

……………………..………<……………….……………<……………….……………….

4. nfhjpepiy mjpfupg;Gf;F vt;tif ftHr;rp tpir mjpf gq;fspg;igr; nra;fpwJ.

……………………………………………………………………………,,,,,,……………...

(2017/A/1)

04) (a) gpd;tUtdtw;iw milg;Gf;Fs; Fwpg;gplg;gl;Ls;s ,ay;Gfs; mjpfupf;Fk; tupirf;Nfw;g xOq;FgLj;Jf.

i. H, Si, C, Br (kpd;ndjpHj;jd;ik)

………………..……..<……..………………..<……………………….<…………………….

ii. Li, B, Cl, F (,yj;jpud; ehl;lrf;jp)

………………..……..<……..………………..<……………………….<…………………….

iii. SCl2, SF2, SF4, SF6 (gpizg;G ePsk;)

………………..……..<……..………………..<……………………….<…………………….

iv. K2CO3, MgCO3, (NH4)2CO3, CaCO3 (gpupif ntg;gk;)

………………..……..<……..………………..<……………………….<…………………….

v. NO2-, SO2, SO3, CO2 (gpizg;GNfhzk;)

………………..……..<……..………………..<……………………….<…………………….

vi. NH2-, OH-, CH3O-, HCO3- (%y ,ay;G)

………………..……..<……..………………..<……………………….<…………………….

(b)%yfq;fs; P, Q, X, Y vd;gd mZ vz; 20 ,w;F cl;gl;l 4 %yfq;fshFk;. ,it mtw;wpd;

cz;ikf; FwpaPLfs; my;y. P, Q, X vd;gd eLepiy xl;irl;Lf;fis cUthf;ff;$bait.

Y MdJ P cld; jhf;fkile;J cUthf;Fk; NrHitapy; khj;jpuNk Y NeH xl;rpNaw;w epiyiag;

ngWfpwJ. X ,d; mjpAaH xl;rpNaw;w epiyf;Fupa xl;irl;L td;dkpy ,ay;GilaJ. Q

cUthf;Fk; gq;fPl;L tYr;NrHitfs; vjdpYk; Q jdpr;Nrhb ,yj;jpuidf; nfhz;bUf;ftpy;iy.

,k;%yfq;fspdhy; cUthf;fg;gl;l %yf;$W QX2Y2P ,d; mbg;gilf; fl;likg;G fPNo

jug;gl;Ls;sJ.

Q Y

P – X1 – X2 – Y

i. %yfq;fs; P, Q, X, Y I ,dq;fhz;f.

……………………………………………………………………………………………………………

……………………………………………………………………………………………………………

ii. ,k;%yf;$Wf;F kpfTk; Vw;Wf;nfhs;sf;$ba Y}aprpd; fl;likg;ig tiuf.

……………………………………………………………………………………………………………

……………………………………………………………………………………………………………

……………………………………………………………………………………………………………

……………………………………………………………………………………………………………

iii. Nkw;$wpa %yf;$wpw;Fupa gupTf; fl;likg;Gfis tiue;J> fl;likg;Gfspd; rhH

cWjp epiyfis fhuzq;fSld; Fwpg;gpLf.

……………………………………………………………………………………………………………

……………………………………………………………………………………………………………

……………………………………………………………………………………………………………

……………………………………………………………………………………………………………

……………………………………………………………………………………………………………

……………………………………………………………………………………………………………

iv. fPNo ml;ltizapy; jug;gl;Ls;s X1, X2 mZf;fspd;

1. mZitr; #oTs;s ,yj;jpud; Nrhbf; Nfj;jpufzpjk;.


3. mZtpd; fyg;ghf;fk;

4. mZitr; #oTs;s gpizg;Gf;Nfhzj;jpd; mz;zsthd ngWkhdk;

vd;gtw;iwf; Fwpg;gpLf.

v. X1, X2 Mfpatw;wpd; kpd;ndjpHj;jd;ikia fhuzj;Jld; xg;gpLf.

…………………………………………………………………………………………………………………………………………………………………………

…………………………………………………………………………………………………………………………………………………………………………

…………………………………………………………………………………………………………………………………………………………………………

………………………………………

X1 X2

,yj;jpud;

Nrhbf;Nfj;jpufzpjk;

tbtk;

fyg;ghf;fk;

gpizg;Gf;Nfhzk;

(c) i. fPNPo milg;gpDs; jug;gl;Ls;s rhyftif nrhw;gjq;fis gad;gLj;jp

jug;gl;Lss; gjhHj;jq;fspy; cs;s rhyf tifapid Fwpg;gpLf.

(mad;rhyfk;> Kidtpy;%yf;$w;W rhyfk;> cNyhfrhyfk;> Xupd mZr;rhyfk;> KidT

%yf;$w;W rhyfk;> gyy;pd mZr;rhyfk;)

1. CsCl(s) ………………………………………………………………………………......................

2. rpypf;fd; [Si(s)].……………………………………………………………………………………

3. cyHgdpf;fl;b ………………………………….…………………………………….…………..

4. Cu …………………………………………………………………………………........................

5. rha;rJu fe;jfk; …………………………………………………………………………………

ii. fPNPo jug;gl;ls;s fhgd;NrHitfis fUJf.

Nghkyb;ifl;L (H2CO), Nghkpf;fkpyk; (H2CO2), xl;rhypf;fkpyk; (H2C2O4)

1. ,tw;wpid nfhjpepiy> mkpy ,ayg;pd; VWtupir xOq;fpy;

;jUf.

nfhjpepiy ……………..< ………………….<………………

mkpy ,ay;G …………..…<………………….<………………

2. ,r;NrHitfspy; fhzg;gLk; %yf;$w;wpil ftHr;rptpir

tiffs; ahtw;iwAk; Fwpg;gpLf.

Nghkyb;ifl;L ……..…………………………………………………..…………………….

Nghkpf;fkpyk; …………………………………………………..............................................

xl;rhypf;fkpyk; ……………………………………………………………………..…………

(2016/A/1)

05)

a) Xe, F, S, O, I Mfpa %yfq;fis fUJf. ,it jkf;fpilNa kl;Lk; cUthf;Fk; gpd;tUk;tpguq;fSf;Fupa Nru;itfs; xt;nthd;W jUf. ,q;F xU %yf;$wpy; ,U %yfq;fs;kl;Lk; ,Uf;fNtz;Lk

;.tbtk; ,UKidTj; jpUg;gk; cjhuzk; 1. Neu;NfhL 0 ......................................... 2. jsr;rJuk; 0 ......................................... 3. rJu $k;gfk; cz;L .........................................

4. Nfhzy; cz;L gpizg;G Nfhzk; (<1090) .......................................... 5. jsKf;Nfhzk; ,y;iy .......................................... 6. vz;Kfp ,y;iy .........................................

b) CH3O2N vd;gJ methylnitrite vdg;gLk; xU Nru;it A apd; %yf;$w;Wr; #j;jpukhFk;.

,jd; mbg;gilf; fl;likg;G

1. ,jw;F Vw;fj;jF Y}apapd; fl;likg;ig tiuf

.............................................................................................................................................

.............................................................................................................................................

.............................................................................................................................................

..............................................................................................................................................

...............................................................................................................................................

2. rhj;jpakhd gupTf; fl;likg;GfisAk; jUf. cWjpj; jd;ikiaAk; Fwpg;gpLf.

...........................................................................................................................................

............................................................................................................................................

.............................................................................................................................................

..................................................................................................................................

3. A apd; xU fl;likg;G rkgFjpak; B MFk;. B f;F rhj;jpakhd xU Y}apapd; fl;likg;ig jUf.

..............................................................................................................................................

..............................................................................................................................................

..............................................................................................................................................

..............................................................................................................................................

..............................................................................................................................................

4. A, B ,uz;bYk; N ,d; Xgpw;wy; fyg;ig ,dk; fhz;f.

..............................................................................................................................................

..............................................................................................................................................

c) 1. NCl3 MdJ xU cY}ap %ykhf nraw;glyhk;. Mdhy; NF3 mt;thW nraw;gl

khl;lhJ.

ePu;g;gFg;Gk; milahJ. kpd;ndjpu;j;jd;ik vz;zf;fUit kdjpy; nfhz;L RUf;fkhf tpsf;Ff............................................................................................................................................

..............................................................................................................................................

..............................................................................................................................................

..............................................................................................................................................

.............................................................................................................................................. 2. gPNdhy;> ePu; ,uz;Lk; Ijurd; gpizg;ig Mf;ff;$bad. vdpy; gPNdhiy ePUld; gFjpahf

fye;J fyq;fyhf fhzg;gLk;. %yf;$w;wpil tpirfs; gw;wpa vz;zf;fUtpd; mbg;gilapy; ,jid RUf;fkhf tpsf;Ff. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. ..............................................................................................................................................

.........................................................................................................................................

(2015/A/1)

tpilfs;

gy;Nju;T tpdhf;fs;

1) 3 6) 2 11) 1 16) 5 21) 3 26) 3 31) 3

2) 5 7) 1 12) 2 17) 5 22) 1 27) 4 32) 1

3) 2 8) 1 13) 1 18) 3 23) 4 28) 3 33) 2

4) 1 9) 3 14) 1 19) 3 24) 4 29) 4 34) 5

5) 5 10) 2 15) 3 20) 5 25) 5 30) 3 35) 3

mikg;Gf;fl;Liu tpdhf;fs;

01) a) MtHj;jd ml;ltizapd; Kjy; gj;J %yfq;fisAk; fUj;jpw; nfhz;L gpd;tUk;

,ay;Gfisf; fhl;Lk; %yfq;fis ,dq;fz;L mtw;wpd; FwpaPLfisj; jUf.

(i)

I. fUNtw;wj;jpw;Fr; rkkhd gUkDila gad;gLfUNtw;wj;jpid czUfpd;w ,yj;jpud;

xd;wpidf; nfhz;lJ : H

II. kpff; Fiwe;j xl;rpNaw;w vz;iz cilaJ : C

III. mjpAaH kpd;ndjphpay;G cilaJ : F

(3 x 03 = 09)

(ii) Nkw;gb tpdh (II) ,y; ,dq;fhzg;gl;l %yfk; tpdh (I), (III) ,y; ,dq;fhzg;gl;l

%yfq;fSld; jdpj;jdpNa cUthf;Fk; NrHitfspd; ,urhadr; #j;jpuq;fis vOJf.

CH4 , CF4

( 03+ 03 = 06)

(iii) Nkw;gb tpdh (ii) ,y; vOjg;gl;ltw;Ws; caH kpd;ndjphpay;Gila ika mZtpidf;

nfhz;l NrHitia ,dq;fz;L mjd; cau; kpd;ndjpupay;gpw;fhd fhuzq;fis RUf;fkhf jUf.

CF4, ika mZtpd; fyg;G> Vw;wk; vd;gd xj;jit vdpYk; CF4 ,y; xl;rpNaw;w epiy kpf

caHthdJ (+4) xl;rpNaw;w vz; mjpfupg;Gld; kpd;ndjpupay;G mjpfupf;Fk;. VdNt CF4 cau;

kpd;ndjpupay;GilaJ.

( 03 + 03 = 06)

b) Chlorine dioxide MdJ (ClO2) miwntg;gepiyapy; fhu Clfj;jpy; ,Utoptpfhukile;J +3, +5

xl;rpNaw;w vz;zpw;Fupa ,U xl;Nrh md;dad;fis jUfpd;wJ.

(i) +5 xl;rpNaw;w vz;zpw;Fhpa xl;Nrh md;dadpd; ,urhadr; #j;jpuj;jpidAk; IUPAC

ngaiuAk; vOJf.

ClO3-, Chlorate(V) ion OR ClO3

-, Chlorate ion

( 03 + 03 = 06)

(ii) Nkw;gb tpdh (i) ,y; ePu; Fwpg;gpl;l md;dadpw;fhd midj;Jg; ghpTf; fl;likg;Gf;fisAk;

tiuf.

(iii) ghpTf; fyg;gpw;F NkNy tpdh (ii) ,y; tiue;j ghpTf; fl;likg;Gf;fspd; gq;fspg;gpid

nghUj;jkhd fhuzq;fSld; tpghpg;gJld; nghUj;jkhd ghpTf;fyg;igAk; tiuf.

NkNy tiuag;gl;l gupTf;fl;likg;GfSs; (A), (B), (C) vd;gtw;wpy; Vw;wg;gpupf;if (D), (E), (F)

vd;gtw;iwf; fhl;bYk; Fiwthf miktjhy; (A), (B), (C) vd;gd xg;gPl;L uPjpapy; cWjpahdit

mj;Jld; rk cWjpAilait. vdNt (A), (B), (C) vd;gitNa gupTf;fyg;ig tiutjpy;

gq;fspg;G nra;Ak;.

( 03 + 03 = 06)

(iv) Nkw;gb tpdh (i) ,y; Fwpg;gpl;l md;dadpd; gpizg;Gf; Nfhzq;fs;> gpizg;GePsq;fs;

vd;gtw;iw jFe;j fhuzq;fSld; jdpj;jdpNa xg;gpLf. (mstwp ngWkhdk; mtrpakd;W)

ikaf; FNshupd; mZ ehd;F js;Sif myFfis cilaJ. KidtZf;fs; %d;Wk; xj;j

jd;ikAilait. %d;W (O-Cl) gpizg;Gf;fSk; ru;trkdhdit. vdNt %d;W (O-Cl) ePsq;fSk;

rHtrkkhdit. %d;W (O – Cl – O) gpizg;Gf; Nfhzq;fSk; rHtrkkhdit

(03 + 03 = 06)

(v) HClO2 ,d; cWjpahd Y}ap fl;likg;ig tiuf.

(vi) ePu; NkNy tpdh (v) ,y; tiue;j Yhap fl;likg;gpYs;s FNshupd; mZtpidAk;> Ijurd;

,ize;j xl;rprd; mZtpidAk; fUj;jpw; nfhz;L gpd;tUk; ml;ltizapid epug;Gf.

tplak; Cl O

fyg;ghf;fk; sp3 sp3

,yj;jpud; Nrhbf;

Nfj;jpu fzpjk;

ehd;Kfp ehd;Kfp

mZf;fspd;

xOq;fikg;G tbtk;

Nfhz tbtk; Nfhz tbtk;

xl;rpNaw;w vz; +3 -2

( 8 x 02 = 16)

c) milg;Gf;Fwpf;Fs; jug;gl;bUf;Fk; ,ay;gpd; mbg;gilapy; VWtupirg;gLj;Jf.

(i) F, Cl, Br (,yj;jpud; ehl;lk;)

Br < F < Cl

(ii) CH4, NH3, NF3 (,UKidTj; jpUg;Gjpwd;).

CH4< NF3< NH3

(iii) CF4, CBr4, CCl4 (C ,d; kpd;ndjpu;j;jd;ik)

CBr4< CCl4< CF4

(iv) Na+(g), Mg2+(g), Al3+(g) (ePNuw;wy; ntg;gTs;Siw)

Na+(g)< Mg2+(g) < Al3+(g)

(v) CH3OH, NaCl, I2 (ePH %yf;$WfSld; cUthFk; ,ilaPHg;G typik)

I2< CH3OH < NaCl

( 5 x 03 = 15)

02

)

03)

(a) gpd;tUtdtw;iw milg;Gf;Fwpf;Fs; Fwpf;fg;gl;Ls;s ,ay;Gfs; mjpfupf;Fk; tupirapy;

xOq;FgLj;Jf.

i. S,C,H,Br (kpd;ndjpH ,ay;G)

H < C < S < Br

ii. Ag+, Mg2+, Zn2+, Fe2+(ePHf;fiurypy; xl;rpNaw;Wk; fUtpahfj; njhopw;gLk; Mw;wy;)

Mg2+ < Zn2+ < Fe2+ <

iii. AgI, AgBr, AgCl, AgF (gq;fPl;Lr; rpwg;gpay;G)

Ag+

AgF < AgCl < AgBr <

iv. CH4, HCl, PH3, H2S (nfhjpepiy)

AgI

CH4 < PH3 < HCl < H2S

v. SOCl2, XeF2, ICl4-, CO3

2- (ika mZitr; #oTs;s js;Sif myFfspd; vz;zpf;if)

CO32- < SOCl2 < XeF2 < ICl4-

[04 marks x 5 = 20marks]

1(a) : 20 Marks

(b) %yfq;fs; P,Q,R,S vd;gd mZ vz; 20 ,Yk; Fiwe;j mNyhf %yfq;fs; MFk;. ,it

cWjp caH tYtsthf KiwNa 7,6,4,5 ,idg; ngWfpd;wd. R,S vd;gd mtw;wpw;Fupj;jhd

$l;lq;fspy; mjp caH kpd;ndjpHj;jd;ikiaf; nfhz;l %yfq;fs; MFk;. ,k; %yfq;fspdhy;

cUthf;fg;gLk; %yf;$W H2RQPSO3 ,d; mbg;gilf; fl;likg;G fPNo jug;gl;Ls;sJ.

i. P, Q, R, S Mfpa %yfq;fis ,dq;fhz;f.

P –Cl/Chlorine Q –S/ Sulphu R –C/ Carbon S – N/Nitrogen

[02marks x 4 = 08marks]

ii. ,k; %yf;$Wf;F kpfTk; Vw;Wf;nfhs;sj;jf;f Y}apf; fl;likg;ig tiuf.

08marks

iii. ,k; %yf;$Wf;F MW gupTf;fl;likg;Gfis tiuf. (NkNy (ii) ,y; tiuag;gl;l

fl;likg;igj; jtpu)

NkNy (ii) ,y; tiue;j Y}apf; fl;likg;gpd; mbg;gilapy; fPNo jug;gl;Ls;s ml;ltizapy;

Q,R,S Mfpa mZf;fspd;

1. mZitr; #oTs;s ,yj;jpud; Nrhbf; Nfj;jpufzpjk; (,yj;jpud; Nrhbfspd;

xOq;fikg;G)


3. mZtpd; fyg;ghf;fk;.

4. mZitr; #oTs;s gpizg;Gf; Nfhzj;jpd; mz;zsthd ngWkhdk; vd;gtw;iwf;

Fwpg;gpLf.

[01marks x12 = 12 marks]

iv. NkNy gFjp (ii) ,y; tiue;j Y}ap fl;likg;gpy; gpd;tUk; σ - gpizg;Gfspd; cUthf;fj;Jld;

rk;ge;jg;gl;l mZ/ fyg;gpd; xgpw;wy;fis ,dq;fhz;f.

P – Q : P 3p(a.o) Q sp3(h.o)

Q – R : Q sp3(h.o) R sp3(h.o)

R – S : R sp2(h.o) S sp3(h.o)

[01marks x 6 = 6marks]

v. 1. Nkw;gb %yf;$wpy; %yfq;fs; Q, R ,y; caH kpd;ndjpHj;jd;ik cilaJ vJ?

Sulphur(S) / Q

[04 Marks]

2. %yf;$W xd;wpy; cs;s %yf mZnthd;wpd; kpd;ndjpH ,ay;igj; jPHkhdpf;Fk; gpujhd

fhuzpfs; 2 If; Fwpg;gpLf.

xl;rpNaw;wepiy/ ,ize;Js;s mZf;fspd; kpd;ndjpHjd;ik

fyg;G epiy

mZtpy; cs;s Vw;wk; (ahjhapDk; ,uz;L)

[02marks x2 = 04 marks]

1(b): 60Marks

(c) myrd; Ijiul;Lf;fshd HCl, HBr, HI If; fUJf.

1. fiyT ,il<u;g;G tpir (yz;ld; ,ilf;ftHr;rptpir) typik mjpfupf;Fk; xOq;ifj;

jUf.

HCl < HBr < HI

2. ,UKidT ,UKidT ,ilf;ftHr;rptpir typik mjpfupf;Fk; tupiriaj; jUf.

HI < HBr < HCl

3. nfhjpepiy mjpfupf;Fk; xOq;ifj; jUf.

HCl < HBr < HI

4. nfhjpepiy mjpfupg;Gf;F vt;tif ftHr;rp tpir mjpf gq;fspg;igr; nra;fpwJ.

fiyT ,il<Hg;G / yz;ld; ,ilf;ftHr;rptpir

[05 Marks x4 = 20Marks]

mbg;gil ,urhadk; · 2020. 3. 21. · mbg;gil ,urhadk; gy;nju;t tpdhf;fs; (2019/old & new /mcq...

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