Q.

Which is a source of nascent hydrogen?I : Zn + dil. HClII :CH3OH + NaIII : Electrolysis of H2OIV : Silent electric discharge

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a

I and II

b

II and III

c

I, II, III and IV

d

Only IV

answer is A.

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Source of nascent hydrogen areI : Zn + dil. HClII :CH3OH + Na
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Which is a source of nascent hydrogen?I : Zn + dil. HClII :CH3OH + NaIII : Electrolysis of H2OIV : Silent electric discharge