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 $
