What will be the product B in the following s | vedclass

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(D) $1$. The hydration of ethyne $(HC \equiv CH)$ in the presence of $30\% \, H_2SO_4$ and $HgSO_4$ (Kucherov reaction) yields vinyl alcohol,which tau

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$CH_3-CH(OH)-CH_2CHO$

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(D) $1$. The hydration of ethyne $(HC \equiv CH)$ in the presence of $30\% \, H_2SO_4$ and $HgSO_4$ (Kucherov reaction) yields vinyl alcohol,which tautomerizes to form acetaldehyde $(A = CH_3CHO)$.$2$. Acetaldehyde $(CH_3CHO)$ undergoes an aldol condensation reaction in the presence of dilute $NaOH$ to form $3-hydroxybutanal$ $(B = CH_3-CH(OH)-CH_2CHO)$.

What will be the product $B$ in the following sequence of reactions?
$HC \equiv CH$ $\xrightarrow{30\% \, H_2SO_4, \, HgSO_4} A$ $\xrightarrow{NaOH} B$

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What will be the product $B$ in the following sequence of reactions?$HC \equiv CH$ $\xrightarrow{30\% \, H_2SO_4, \, HgSO_4} A$ $\xrightarrow{NaOH} B$