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(D) The reaction sequence is as follows:$1$. The first step is the Etard reaction,where toluene is oxidized using chromyl chloride $(CrO_2Cl_2)$ follo

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Both $A$ and $C$

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(D) The reaction sequence is as follows:$1$. The first step is the Etard reaction,where toluene is oxidized using chromyl chloride $(CrO_2Cl_2)$ followed by hydrolysis to form benzaldehyde $(X = C_6H_5CHO)$.$2$. The second step involves the reaction of benzaldehyde with concentrated $KOH$ (Cannizzaro reaction). Since benzaldehyde lacks $\alpha$-hydrogen atoms,it undergoes disproportionation in the presence of a strong base to form benzyl alcohol $(C_6H_5CH_2OH)$ and potassium benzoate $(C_6H_5COOK)$.$3$. Therefore,the final product is a mixture of both benzyl alcohol and potassium benzoate.

The product formed in the given reaction sequence is:

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