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In which process, fused sodium hydroxide is electrolysed for extraction of sodium? (a) Castner’s process(b) cyanide process(c) Down process(d) All of these |
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Answer» (a) Castners process Castner’s process NaOH ⇌ Na+ + OH- Cathode : Na+ + e- → Na Anode : 2OH- → H2O + \(\frac{1}{2}\)O2 + 2e- |
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