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Reacttion between the following pairs wi...

Reacttion between the following pairs will produce `H_(2)` except

A

`Na+` ethyl alcohol

B

`Fe+` steam

C

`Fe+H_(2)SO_(4)("aq.")`

D

`Cu+HCl("aq.")`

Text Solution

Verified by Experts

The correct Answer is:
D
`Cu+HCl rarr "no reaction"`
Copper is less reactive than hydrogen. Therefore it is unable to displace hydrogen from acid.
`E_(Cu)^(@)=+0.34 and E_(H)^(@)=0.00`
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