Home
Class 12
CHEMISTRY
During dehydration of alcohols to alkene...

During dehydration of alcohols to alkenes by heating with conc. `H_(2)SO_(4)`, initial step is

A

formation of an enter

B

protonation of alcohol molecule

C

formation of carbocation

D

elimination of water

Text Solution

Verified by Experts

The correct Answer is:
B
First step is protonation of alcohol. `RCH_(2)OH_(2)+H^(+)tounderset("Protonated alcohol")(RCH_(2)Ooverset(+)H_(2))`
Promotional Banner

Topper's Solved these Questions

  • ALCOHOLS, PHENOLS AND ETHERS

    MODERN PUBLICATION|Exercise OBJECTIVE TYPE QUESTIONS (MULTIPLE CHOICE QUESTIONS) (from competitive examinations) (AIPMT, NEET & OTHER STATE BOARD.S MEDICAL ENTRANCE)|23 Videos

  • ALCOHOLS, PHENOLS AND ETHERS

    MODERN PUBLICATION|Exercise OBJECTIVE TYPE QUESTIONS (MULTIPLE CHOICE QUESTIONS) (from competitive examinations) ( JEE (Main) & Other State Boards Engineering Entrance)|36 Videos

  • ALCOHOLS, PHENOLS AND ETHERS

    MODERN PUBLICATION|Exercise HIGHER ORDER THINKING SKILLS (ADVANCED LEVEL) (QUESTIONS WITH ANSWERS)|13 Videos

  • ALDEHYDES ,KETONES AND CARBOXYLIC ACIDS

    MODERN PUBLICATION|Exercise UNIT PRACTICE TEST|13 Videos

Similar Questions

Explore conceptually related problems

During dehydration of alcholos to alkenes by heating with conc. H_(2)SO_(4) , initial step is

During the dehydration of alcohols to alkenes by heating with conc. H_(2)SO_(4) , the initiating step is :

Dehyration of alcohol to alkene by heating with conc. H_(2)SO_(4) , the initiation step is _______ followed with ________ mechanism.

MODERN PUBLICATION-ALCOHOLS, PHENOLS AND ETHERS-OBJECTIVE TYPE QUESTIONS (MULTIPLE CHOICE QUESTIONS) (M.C.Q) (MULTIPLE CHOICE QUESTIONS with only one corrrect answer)
  1. How many optically active stereoisomers are possible for butane-2, 3-d...

    Text Solution

    |

  2. Propan-1-ol and propan-2-ol can be best distinguished by :

    Text Solution

    |

  3. During dehydration of alcohols to alkenes by heating with conc. H(2)SO...

    Text Solution

    |

  4. Which of the following will not form a yellow precipitate on heating w...

    Text Solution

    |

  5. Among the following compounds which can be dehydrated very easily is-

    Text Solution

    |

  6. The product P in the following reaction is

    Text Solution

    |

  7. Phenol is more acidic than ethyl alcohol because

    Text Solution

    |

  8. The product of Reimer-Tiemann reaction is a

    Text Solution

    |

  9. Phenol overset(NaOH)rarrA underset(2")"H^(+))overset(1")" CO(2))rarr B...

    Text Solution

    |

  10. Which of the following reagents cannot be used to distinguish between ...

    Text Solution

    |

  11. In the following compounds : The order of acidity is

    Text Solution

    |

  12. The order of reactivity of the following alcohols toward conc. HC...

    Text Solution

    |

  13. Complete the following reaction

    Text Solution

    |

  14. Which the following will give phenol with Cao and NaOH ?

    Text Solution

    |

  15. Text Solution

    |

  16. When phenol is treated with CHCl(3) and NaOH, the product fromed is

    Text Solution

    |

  17. Which of the following is the strongest acid ?

    Text Solution

    |

  18. Ethers are isomeric with

    Text Solution

    |

  19. When diethyl ether is treated with excess of CI(2) in the presence of ...

    Text Solution

    |

  20. Ethers can be distinguished from alcohols by the following reaction :

    Text Solution

    |