Home
Class 11
CHEMISTRY
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`
Promotional Banner

Topper's Solved these Questions

  • HYDROCARBONS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - III (LEVEL-II (STRAIGHT OBJECTIVE TYPE QUESTIONS )))|11 Videos

  • HYDROCARBONS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - III (LEVEL-II (MORE THAN ONE CORRECT ANSWER TYPE QUESTIONS )))|10 Videos

  • HYDROCARBONS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - II (LEVEL-II (MATRIX MATCHING TYPE QUESTIONS )))|7 Videos

  • GENERAL ORGANIC CHEMISTRY

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|35 Videos

  • HYDROGEN AND ITS COMPOUNDS

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|20 Videos