The product (A) of the reaction is: | vedclass

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(D) The starting material is a substituted cyclohexene with two geminal dicyano groups. Treatment with $H_3O^{\oplus}$ leads to the hydrolysis of the

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(D) The starting material is a substituted cyclohexene with two geminal dicyano groups. Treatment with $H_3O^{\oplus}$ leads to the hydrolysis of the four $-CN$ groups into four $-CO_2H$ groups,forming a tetracarboxylic acid. Upon heating $(\Delta)$,the tetracarboxylic acid undergoes decarboxylation (loss of $2CO_2$) and cyclization to form a stable cyclic anhydride. The final product $(A)$ is the cyclic anhydride derivative as shown in the reaction sequence.

The product $(A)$ of the reaction is:

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