Which of the following combination will ...

Which of the following combination will produce `H_(2)` gas ?

A

Cu metal and conc. `HNO_3`

B

Zn metal and NaOH(aq)

C

Au metal and NaCNI(aq) in the presence of air

D

Fe metal and conc. `HNO_3`

Text Solution

Verified by Experts

The correct Answer is:

B

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MOTION-D-BLOCK ELEMENTS -Exercise IV Level-II

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