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Q.

Zn give H2 gas with H2SO4 and HCl but not with HNO3 because

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a

In electrochemical series Zn is above hydrogen

b

HNO3 is weaker acid than H2SO4 and HCl

c

Zn acts as an oxidising agent when react with HNO3

d

NO3− ion is reduced in perference to hydronium ion.

answer is D.

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Detailed Solution

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Metallic Zinc reacts with concentrated Nitric acid to produce Zinc-nitrate, nitrogen dioxide and water.

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