D-And F-Block Elements Ques 213

Question: Reaction of zinc with cold and very dilute nitric acid yields

[MP PET 1985, 92, 97; BHU 1995, 2000; NCERT 1974; MP PMT 1995]

Options:

A) $ Zn{{(NO_3)}_2}+N_2O $

B) $ Zn{{(NO_3)}_2}+NO $

C) $ Zn{{(NO_3)}_2}+NH_4NO_3 $

D) $ Zn{{(NO_3)}_2}+NO_2 $

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Answer:

Correct Answer: C

Solution:

Very dil $ HNO_3:\to $ Ammonium nitrate is formed $ 4Zn+10HNO_3\to 4Zn{{(NO_3)}_2}+NH_4NO_3+3H_2O $



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