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Q.
The gas produced from thermal decomposition of $\left( NH _{4}\right)_{2} Cr _{2} O _{7}$ is
KVPYKVPY 2011
Solution:
The thermal decomposition of $\left( NH _{4}\right)_{2} Cr _{2} O _{7}$ gives chromium oxide $\left( Cr _{2} O _{3}\right)$, nitrogen gas and water.
$\left( NH _{4}\right)_{2} Cr _{2} O _{7} \xrightarrow{\Delta} Cr _{2} O _{3}+ N _{2}+4 H _{2} O$