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CBSE Class 12-science Answered

Is it possible to prepare haloalkanes from alkynes ? please explain.
Asked by Prajyot Tugaonkar | 14 Aug, 2015, 05:10: PM
answered-by-expert Expert Answer
Alkyne can be converted into alkenes by reduction and then can be converted into haloalkanes.
Also, alkynes can be converted into haloalkenes and then can be converted into dihaloalkanes.
Example:
CH subscript 3 straight C identical to CH space space rightwards arrow from Mark. space Addn. to HCl of space CH subscript 3 minus straight C left parenthesis Cl right parenthesis equals CH subscript 3 space space rightwards arrow from Mark. space Add. to HCl of space CH subscript 3 minus straight C left parenthesis Cl right parenthesis subscript 2 minus CH subscript 3
 
Answered by Prachi Sawant | 15 Aug, 2015, 08:09: PM
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