Write the reaction to convert propyne to 2,2 - dibromopropane.

1.	Write the reaction to convert propyne to 2,2 - dibromopropane.
Answer» Solution :When PROPYNE is TREATED with HBR, it undergoes Markownikoff RULE by adding across triple bond to form 2,2 - dibromopropane. ` CH_(3) - underset("Propyne")(C equiv CH + HBr) RARR CH_(3)- underset(Br)underset(\|)(C ) = CH_(2) underset(M - Rule)overset(HBr)(rarr) CH_(3) - underset(2,2 - "didromopropane")underset(Br)underset(\|)overset(Br)overset(\|)(C) - CH_(3)`

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