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Question

Question: Iron is dropped in dil. \(HNO_{3}\), it gives....

Iron is dropped in dil. HNO3HNO_{3}, it gives.

A

Ferric nitrate

B

Ferric nitrate and NO2NO_{2}

C

Ferrous nitrate and ammonium nitrate

D

Ferrous nitrate and nitric oxide

Answer

Ferrous nitrate and ammonium nitrate

Explanation

Solution

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

4Fe+10HNO34Fe(NO3)2+NH4NO3+3H2O4Fe + 10HNO_{3} \rightarrow 4Fe(NO_{3})_{2} + NH_{4}NO_{3} + 3H_{2}O