A) \[HI\]
B) \[{{I}_{2}}\]
C) \[HI{{O}_{3}}\]
D) \[KI{{O}_{3}}\]
Correct Answer: B
Solution :
\[KI+{{H}_{2}}S{{O}_{4}}\,\xrightarrow{\Delta }\,KHS{{O}_{4}}+HI\] \[{{H}_{2}}S{{O}_{4}}+2HI\,\to \ 2{{H}_{2}}O+\underset{\text{Violet vapour}}{\mathop{{{I}_{2}}+S{{O}_{2}}\uparrow }}\,\]
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