A) \[{{H}_{2}}{{O}_{2}}\]and\[C{{O}_{2}}\]
B) \[CO\]and\[C{{O}_{2}}\]
C) \[{{H}_{2}}{{O}_{2}}\]and\[CO\]
D) \[CaC{{l}_{2}}\]
Correct Answer: B
Solution :
\[\underset{\begin{smallmatrix} | \\ COOH \\ oxalic\,\,acid \end{smallmatrix}}{\mathop{COOH}}\,+conc.{{H}_{2}}S{{O}_{4}}\xrightarrow{{}}CO+\underset{{{H}_{2}}O}{\mathop{{{O}_{2}}}}\,\] Concentrated\[{{H}_{2}}S{{O}_{4}}\]is a strong dehydrating agent.
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