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Zn gives H(2) gas with H(2)SO(4) and HCl...

`Zn` gives `H_(2)` gas with `H_(2)SO_(4)` and `HCl` but not with `HNO_(3)` because

A

`NO_(2)` is reduced in preference to `H_(3) O^(-)`

B

`HNO_(3)` is weaker acid than `H_(2)SO_(4)` and `HCl`

C

`Zn` acts oxidising agent when reacts with `HNO_(3)`

D

In electrochemical series `Zn` is placed above the hydrogen

Text Solution

Verified by Experts

The correct Answer is:
B
`4Zn + 10HNO_(3) rarr 4Zn (NO_(3))_(2) + NH_(4)NO_(3) + 3H_(2)O`
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