When acetylene is passed through dilute sulfu | vedclass

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Question

(B) The reaction of acetylene $(CH \equiv CH)$ with water in the presence of $dil. \ H_2SO_4$ and $HgSO_4$ is a hydration reaction.$CH \equiv CH + H_2

Vedclass · Accepted Answer

$1$

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(B) The reaction of acetylene $(CH \equiv CH)$ with water in the presence of $dil. \ H_2SO_4$ and $HgSO_4$ is a hydration reaction.$CH \equiv CH + H_2O \xrightarrow{HgSO_4 / H_2SO_4} [CH_2 = CH-OH] 	o CH_3CHO$ (Acetaldehyde).The final product is acetaldehyde $(CH_3-CHO)$.In the structure of acetaldehyde $(CH_3-C(=O)-H)$,there is one $C=O$ double bond.$A$ double bond consists of one $\sigma$-bond and one $\pi$-bond.Therefore,the number of $\pi$-bonds in the product is $1$.

When acetylene is passed through dilute sulfuric acid containing mercuric sulfate,determine the number of $\pi$-bonds in the product formed.

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