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(C) When benzene vapour is mixed with air and passed over $V_2O_5$ catalyst at $775 \ K$,it undergoes catalytic oxidation to form maleic anhydride.The

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Maleic anhydride

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(C) When benzene vapour is mixed with air and passed over $V_2O_5$ catalyst at $775 \ K$,it undergoes catalytic oxidation to form maleic anhydride.The reaction is as follows:$C_6H_6 + \frac{9}{2} O_2 \xrightarrow{V_2O_5, 775 \ K} 	ext{Maleic anhydride} + 2CO_2 + 2H_2O$This process involves the oxidation of the benzene ring followed by dehydration to yield maleic anhydride.

Benzene vapour mixed with air when passed over $V_2O_5$ catalyst at $775 \ K$ gives

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