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Which of the following liberate hydrogen...

Which of the following liberate hydrogen on reaction with dilute `H_2 SO_4` ?

A

Fe

B

Cu

C

Al

D

Hg

Text Solution

Verified by Experts

The correct Answer is:
A, C
Metals like Fe and Al react with dil. `H_SO_4` and liberate hydrogen.
`2Al+3H_2SO_4(dil.)toAl_2(SO_4)_3+3H_2`
`Fe+H_2SO_4(dil.)toFeSO_4+H_2`
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