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Hydrogen can be produced by heating...

Hydrogen can be produced by heating

A

Cu with `H_(2)SO_(4)`

B

Sodium formate

C

Sodium oxalate

D

None of these.

Text Solution

Verified by Experts

The correct Answer is:
B
`underset("Sod. formate")(2HCOONa(s))overset(Delta)toH_(2)(g)uarr+underset("Sod. Oxalate")underset(COONa(s))underset(|" ")overset(COONa(underline(s))`
Presence of `CO_(3)^(2-) and SO_(4)^(2-)` ions in water reduced the tendency of dissolution of Pb in water as `Pb(OH)_(2)`
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