In electrolysis of NaCl when Pt electode is taken then H_2 is liberate – InterviewSolution

1.	In electrolysis of NaCl when Pt electode is taken then H_2 is liberated at cathode while with Hg cathode, it forms sodium amalgam. This is because
Answer» Hg is more inert than Pt More VOLTAGE is REQUIRED to reduce `H^(+)` at Hg than at Pt Na is DISSOLVED in Hg while it does not dissolve in Pt Conc. of `H^(+)` IONS is larger when Pt electrode is taken Answer :B

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