Home
Class 11
CHEMISTRY
1,2-dibromopropane on treatment with X m...

1,2-dibromopropane on treatment with X mole of `NaNH_2` followed by treatment with ethyl bromide gave a pentyne the value of X is:

A

one

B

two

C

three

D

four

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • GOC-II & III

    PATHFINDER|Exercise QUESTION BANK|144 Videos
  • HYDROGEN

    PATHFINDER|Exercise QUESTION BANK|77 Videos

Similar Questions

Explore conceptually related problems

An alkylhalide (A), on reaction with Mg in dry ether followed by treatment with ethanol gave 2-methylbutane. Write all the possible structures of 'A'. Give arrow-head equation for the formation of 2-methly-butane from any one isomer of A

2-hexyne gives trans-2-hexene on treatment with

Which of the following on treatment with NaNH_2 in liquid NH_3 gives m-methoxy aniline ?

Treatment of with NaNH_(2)//liq.NH_(3) gives

The treatment of benzene with isobutylene in the presence of H_2SO_4 gives :

PATHFINDER-HYDROCARBONS-QUESTION BANK
  1. Reaction of 1,3 butadiene to maleic acid gives what ?

    Text Solution

    |

  2. The major product formed on hydroboration-oxidation of 1-methyl cyclop...

    Text Solution

    |

  3. 1,2-dibromopropane on treatment with X mole of NaNH2 followed by treat...

    Text Solution

    |

  4. What is electrolysis ?

    Text Solution

    |

  5. The C-H bond is least acidic in

    Text Solution

    |

  6. Identify the reagent from the following list which can easily distingu...

    Text Solution

    |

  7. Acidic hydrogen is present in

    Text Solution

    |

  8. Addition of water to acetylene compounds is catalysed by

    Text Solution

    |

  9. A hydrocarbon of molecular formula C7H12 on catalytic hydrogenation ov...

    Text Solution

    |

  10. The number of structural and configurational isomers of a bromo compou...

    Text Solution

    |

  11. Aromatic hydrocarbons can be obtained from naphta by

    Text Solution

    |

  12. Which of the following is the best sequence to convert benzene into 3-...

    Text Solution

    |

  13. Identify the reagent from the following list which can easily distingu...

    Text Solution

    |

  14. A sample of 2,3-dibromo 3-methylpentane is heated with zinc dust the r...

    Text Solution

    |

  15. The C-C and C=C bond lengths in aliphatic hydrocarbons have been found...

    Text Solution

    |

  16. Oxidation of benzene with air (at775k )in the presence of V2O5 as cata...

    Text Solution

    |

  17. The organic compounds X and Y having the same % composition of C and H...

    Text Solution

    |

  18. Trans cyclohexane -1,2 diol can be obtained by the reaction of cyclohe...

    Text Solution

    |

  19. Compound (A) on bromination gives (B) which gives © with alcoholic KOH...

    Text Solution

    |

  20. Which of the following are true reactions?

    Text Solution

    |