Predict the product C obtained in the followi | vedclass

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(A) According to Markovnikov's rule,the addition of $HCl$ to but$-1-$yne $(CH_3-CH_2-C \equiv CH)$ occurs in two steps.In the first step,$HCl$ adds to

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$CH_3-CH_2-CCl_2-CH_3$

Vedclass · Answer

(A) According to Markovnikov's rule,the addition of $HCl$ to but$-1-$yne $(CH_3-CH_2-C \equiv CH)$ occurs in two steps.In the first step,$HCl$ adds to the triple bond to form $2$-chlorobut-$1$-ene $(CH_3-CH_2-CCl=CH_2)$.In the second step,another molecule of $HCl$ adds to the double bond of $2$-chlorobut-$1$-ene to form $2,2$-dichlorobutane $(CH_3-CH_2-CCl_2-CH_3)$.Step $1$: $CH_3-CH_2-C \equiv CH + HCl 	o CH_3-CH_2-CCl=CH_2$Step $2$: $CH_3-CH_2-CCl=CH_2 + HCl 	o CH_3-CH_2-CCl_2-CH_3$

Predict the product $C$ obtained in the following reaction of but$-1-$yne: $CH_3-CH_2-C \equiv CH + HCl \to B \xrightarrow{HCl} C$

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