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FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi - 110016. Ph: 46106000/10/13/15 Fax : 26513942.

FACULTY RECRUITMENT TEST

Formal School Education/IX, X / NSEJS/NTSE/ Foundationfor KVPY, Senior Olympiads & IIT-JEE

CATEGORY-D (CHEMISTRY)

PAPER B

Time: 60 Minu tes. Maxim um Marks: 40

Name:....................................................................................................

Subject: ................................................................................................

Marks:

Instruct ions:

Attempt all questions.

This question paper has 2 Sections A & B. Each question of Section - Acarries 2 marks andthat ofSection B carries 4 marks each.

Calculators and log tables are not permitted

SECTION

A

1. Justify Calcium fluoride is more ionic than CaI2.

2. Arrange the following in increasing order of hydrated radiiLi, Na, K, Rb, Cs

3. Write two examples of bridging hydrogen.

4. Arrange the following in decreasing order of basic strength:

6 5 2 6 5 3 2 32C H NH ; C H NH; CH NH ;NH

5. Draw the structure of 5oxaspiro [3.4] octane.

6. What is Clemmensen reduction? Write the reaction also.

7. Write down the composition of

(a) Lucas reagent

(b) Tollens reagent

8. What is the difference between diamagnetism and paramagnetism?

9. Ferric iodide is very unstable but ferric chloride is stable why?

10. Draw the structure of the following compounds:

(a) 7, 7-Dimethyl bicyclo [2.2.1] heptane.

(b) 1,4-Dioxycyclohexane.

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FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi - 110016. Ph: 46106000/10/13/15 Fax : 26513942.

03FRT-CH-[PAPER2] 2SECTION B

1. Molecular formula C4H4O4can have various structures:

(a) a cyclic ester (A)

(b) a dibasic acid (B) that on heating is converted into acrylic acid

(c) a dibasic acid (C) that forms meso-tartaric acid with alk. KMnO4

(d) a dibasic acid (D) that forms racemic mixture of tartaric acid with alk. KMnO4.Assign structure to (A), (B), (C) and (D).

2. The density of a mixture of N2and O2at NTP is 1.3 g/L. Calculate partial pressure of O2.

3. What happens when(a) ethanol is heated with potassium dichromate and concentrated sulphuric acid?(b) a piece of sodium is added to ethanol?(c) ethanoic acid is treated with sodium bicarbonate?

4. A piece of zinc metal is dipped in a 0.1 M solution of zinc salt. The salt is dissociated to the extent of

20%. Calculate the electrode potential of Zn2+

/Zn. (given 2o

Zn / ZnE 0.76 mole

)

5. (a) How sulphur is extracted by Frasch process?(b) Explain effect of heat on sulphur.