Which compound produces acetaldehyde upon hea | vedclass

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(B) When $CH_3CHCl_2$ ($1$,$1$-dichloroethane) is treated with aqueous $KOH$,it undergoes nucleophilic substitution to form a geminal diol,$CH_3CH(OH)

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$CH_3CHCl_2$

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(B) When $CH_3CHCl_2$ ($1$,$1$-dichloroethane) is treated with aqueous $KOH$,it undergoes nucleophilic substitution to form a geminal diol,$CH_3CH(OH)_2$.Since geminal diols are unstable,they immediately lose a water molecule to form acetaldehyde $(CH_3CHO)$.The reaction is: $CH_3CHCl_2 + 2KOH(aq)$ $\rightarrow CH_3CH(OH)_2 + 2KCl$ $\rightarrow CH_3CHO + H_2O + 2KCl$.

Which compound produces acetaldehyde upon heating with aqueous $KOH$?

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