Calcium butanoate on heating followed by trea | vedclass

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(A) $1$. Heating calcium butanoate,$(CH_3CH_2CH_2COO)_2Ca$,results in the formation of heptan$-4-$one $(CH_3CH_2CH_2COCH_2CH_2CH_3)$ and calcium carbo

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(A) $1$. Heating calcium butanoate,$(CH_3CH_2CH_2COO)_2Ca$,results in the formation of heptan$-4-$one $(CH_3CH_2CH_2COCH_2CH_2CH_3)$ and calcium carbonate $(CaCO_3)$.$2$. Heptan$-4-$one reacts with $1,2-$ethanediol $(HOCH_2CH_2OH)$ in the presence of an acid catalyst to form a cyclic ketal.$3$. The reaction involves the nucleophilic attack of the diol on the carbonyl carbon,followed by the elimination of water to form the cyclic structure shown in option $A$.

Calcium butanoate on heating followed by treatment with $1,2-$ethanediol in the presence of a catalytic amount of an acid,produces a major product which is

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