Download - Alkali
Transcript
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UNSUR GOLONGAN ALKALI
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Kelimpahan Unsur Alkali di Kerak Bumi
Air laut adalah sumber utama logam Alkali
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Sifat – Sifat Akali
Sangat Reaktif Reduksinya kuat Semua garam larut dalam air Titik leleh semakin kebawah
semakin kecil sifat lgam semakin kebawah
semakin kuat
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Proses pembuatan Unsur Senyawa Alkali
Elektrolisis lelehan atau leburan garamNaCl → Na+ + Cl- Katode : Na+ + e → Na x2Anode : 2Cl- → Cl + 2e x1 + 2Na+ + 2Cl- → 2Na(s) + Cl2(g)
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Kegunaan Unsur Dan Senyawa Alkali
1. Logam H2. Logam Li3. Logam Na4. Logam K5. Logam Rb6. Logam Cs7. Logam Fr
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Dampak Penggunaan Unsur dan Senawa Alkali
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Anggota Kelompok 5
1. Aurora Frida O.S ( 04 )2. Rintan Sonia ( 29 )3. Sri Laeli R. ( 32 )4. Tri Novrizal A. ( 33 )
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