In the electrolysis of NaCl when Pt electrode is taken then H_(2), is – InterviewSolution

1.	In the electrolysis of NaCl when Pt electrode is taken then H_(2), is liberated at cathode while with Hg cathode sodium amalgam is formed, this is because:
Answer» Hg is more inert than PT More voltage is required to reduce `H^(+)` at Hg than at Pt Na dissolves in Hg but it does not dissolve in Pt Concentration of `H^(+)` ions is more when Pt electrode is taken Answer :B

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