SATHEE: D-And F-Block Elements Ques 85

D-And F-Block Elements Ques 85

Question: Iron is dropped in dil. $H N O_{3}$ , it gives

[DCE 2004]

Options:

A) Ferric nitrate

B) Ferric nitrate and $N O_{2}$

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

$4 F e + 10 H N O_{3} \to 4 F e {(N O_{3})}_{_{2}} + N H_{4} N O_{3} + 3 H_{2} O$

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D-And F-Block Elements Ques 85

Question: Iron is dropped in dil. HNO3 , it gives

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Question: Iron is dropped in dil. $H N O_{3}$ , it gives