• # question_answer On heating $NaCl+{{K}_{2}}C{{r}_{2}}{{O}_{7}}+$conc.${{H}_{2}}S{{O}_{4}}$, the gas comes out is [JIPMER 2000] A) ${{O}_{2}}$ B) $C{{l}_{2}}$ C) $CrOC{{l}_{2}}$ D) $Cr{{O}_{2}}C{{l}_{2}}$

$Cr{{O}_{2}}C{{l}_{2}}$ is a orange red gas.