A) Chromous chloride
B) Chromyl chloride
C) Chromic chloride
D) Chromic sulphate
Correct Answer: B
Solution :
\[NaCl+{{H}_{2}}S{{O}_{4}}\to NaHS{{O}_{4}}+HCl\] \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}+2{{H}_{2}}S{{O}_{4}}\to 2KHS{{O}_{4}}+2Cr{{O}_{3}}+{{H}_{2}}O\] \[Cr{{O}_{3}}+2HCl\to \underset{\text{(orange }\,\text{red vapour)}}{\mathop{Cr{{O}_{2}}C{{l}_{2}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}}\,\]
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