Published by:
CGP EDU Academic Team
Published on: August 12, 2026
Zn gives 
gas with 
and 
but not with 
because
A
Zn act as oxidising agent when react with 
B
is weaker acid than 
and HC1
C
In electrochemical series Zn is above hydrogen
D
is reduced in preference to hydronium ion.
Text Solution
Verified by ExpertsThe correct answer is:
D
Zinc is on the top position ofhydrogen in electrochemical series. So, Zn displaces 
from dilute 
and 
with liberation of 
On the other hand 
is an oxidising agent. Hydrogen obtained in this reaction is converted into 
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