S Block Elements Question 15
Question: Nitrogen is liberated by the thermal decomposition of only
[IIT 1991]
Options:
A) $ NH_4NO_2 $
B) $ NaN_3 $
C) $ {{(NH_4)}_2}Cr_2O_7 $
D) All the three
Show Answer
Answer:
Correct Answer: D
Solution:
$ NH_4NO_2\to N_2+2H_2O $
$ 2NaN_3\to 2Na+3N_2 $
$ {{(NH_4)}_2}Cr_2O_7\to N_2+Cr_2O_3+4H_2O $