What product is obtained when acetylene is pa | vedclass

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(C) When acetylene $(CH \equiv CH)$ reacts with water in the presence of $40\% \ H_2SO_4$ and $1\% \ HgSO_4$,it undergoes hydration to form vinyl alco

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Acetaldehyde

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(C) When acetylene $(CH \equiv CH)$ reacts with water in the presence of $40\% \ H_2SO_4$ and $1\% \ HgSO_4$,it undergoes hydration to form vinyl alcohol $(CH_2=CH-OH)$.This vinyl alcohol is unstable and undergoes tautomerization (rearrangement) to form acetaldehyde $(CH_3-CHO)$.The reaction is: $CH \equiv CH + H_2O$ $\xrightarrow{H_2SO_4, HgSO_4} [CH_2=CH-OH]$ $\rightarrow CH_3-CHO$.

What product is obtained when acetylene is passed through dilute sulfuric acid containing $Hg^{2+}$ ions?

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