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Hydrogen gas can not be prepared by :...

Hydrogen gas can not be prepared by :

A

`Zn + "dil" H_(2) SO_(4)`

B

`Zn + "dil" HCl`

C

`Zn + "conc." HCl`

D

`Zn + "conc." H_(2)SO_(4)`

Text Solution

Verified by Experts

The correct Answer is:
D
`Zn + "conc." H_(2)SO_(4) rarr ZnSO_(2) + SO_(2) + H_(2)O`
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