Which of the following combination will ...

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

A

Fe metal and conc. `HNO_(3)`

B

Cu metal and conc. `HNO_(3)`

C

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

D

Zn metal and NaOH (aq)

Text Solution

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The correct Answer is:

D

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IIT-JEE PREVIOUS YEAR (CHEMISTRY)-D & F BLOCK ELEMENTS-Objective (Q-2)

Which of the following combination will produce H(2) gas ?
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Fe^(3+) is reduced of Fe^(2+) by using
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