The intermediate compound X in the following | vedclass

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(A) The given reaction is the $Etard$ reaction,which is used for the oxidation of toluene to benzaldehyde using chromyl chloride $(CrO_2Cl_2)$ in the

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$C_6H_5CH(OCrOHCl_2)_2$

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(A) The given reaction is the $Etard$ reaction,which is used for the oxidation of toluene to benzaldehyde using chromyl chloride $(CrO_2Cl_2)$ in the presence of a non-polar solvent like carbon disulfide $(CS_2)$.In this reaction,the methyl group of toluene is oxidized to a chromium complex intermediate,which is $C_6H_5CH(OCrOHCl_2)_2$.This intermediate is then hydrolyzed with water $(H_3O^+)$ to yield benzaldehyde.

The intermediate compound $X$ in the following chemical reaction is :

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Identify the product $Y$ in the following series of reactions.
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Which of the following reagents is used in Gatterman-Koch formylation of arene?

The product $(B)$ of the following reaction is:

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