P-Block Elements Ques 393
Question: $ {{(NH_4)}_2}Cr_2O_7 $ on heating liberates a gas. The same gas will be obtained by
[IIT JEE (Screening) 2004; BVP 2004]
Options:
A) Heating $ NH_4NO_2 $
B) Heating $ NH_4NO_3 $
C) Treating $ H_2O_2 $ with $ NaNO_2 $
D) Treating $ Mg_3N_2 $ with $ H_2O $
Show Answer
Answer:
Correct Answer: A
Solution:
$ {{(NH_4)}_2}Cr_2O_7\xrightarrow{\Delta }N_2\uparrow +Cr_2O_3+4H_2O $ $ NH_4NO_2\xrightarrow{\Delta }N_2\uparrow +2H_2O $
