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2-Butanone is heated with PCl5 and the p...

2-Butanone is heated with `PCl_5` and the product so obtained is heated with alcoholic KOH , the final product obtained is

A

1-butyne

B

2-butyne

C

1,2-butandiene

D

1,3-butadiene

Text Solution

Verified by Experts

The correct Answer is:
B
`underset("2- Butanone")(CH_3CH_2COCH_3)underset(-POCl_3)overset(PCl_5)to CH_3CH_2 - C Cl_2 CH_3 underset(-2HCl)overset(Alc KOH, Delta)to underset("2 - Butyne")(CH_3C =-= C CH_3`
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