D-And F-Block Elements Ques 85

Question: Iron is dropped in dil. $ HNO_3 $ , it gives

[DCE 2004]

Options:

A) Ferric nitrate

B) Ferric nitrate and $ NO_2 $

C) Ferrous nitrate and ammonium nitrate

D) Ferrous nitrate and nitric oxide

Show Answer

Answer:

Correct Answer: C

Solution:

Iron is oxidised to ferrous nitrate and nitric acid is changed to ammonium nitrate

$ 4Fe+10HNO_3\to 4Fe{{(NO_3)}_{_2}}+NH_4NO_3+3H_2O $



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