A) Chromium oxide and ammonia
B) Chromic acid and nitrogen
C) Chromium oxide and nitrogen
D) Chromic acid and ammonia
Correct Answer: C
Solution :
\[{{(N{{H}_{4}})}_{2}}C{{r}_{2}}{{O}_{7}}\,\xrightarrow{\Delta }\,C{{r}_{2}}{{O}_{3}}+{{N}_{2}}+4{{H}_{2}}O\]
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