Home
Class 12
CHEMISTRY
The intermediate formed in aldol condens...

The intermediate formed in aldol condensation is

A

aldol

B

carbanion

C

alcohol

D

` alpha`-hydrogen ester .

Text Solution

Verified by Experts

The correct Answer is:
B
Aldol condensation : when a carbonyl compound containing ` alpha`-hydrogen is treated with a base, first of all carbanion is formed .
Promotional Banner

Topper's Solved these Questions

  • AIIMS 2001

    AIIMS PREVIOUS YEAR PAPERS|Exercise CHEMISTRY|60 Videos

  • AIIMS 2003

    AIIMS PREVIOUS YEAR PAPERS|Exercise CHEMISTRY|60 Videos

Similar Questions

Explore conceptually related problems

The product formed in aldol condensation is

Aldol condensation is given by

The product formed in the aldol condensation of acetaldehyde is

Aldol condensation is given by :

Aldol condensation reaction

Which reactive intermediate is formed during the condensation reaction between acetaldehyde and formaldehyde ?

Condition for aldol condensation is

Crossed Aldol Condensation

AIIMS PREVIOUS YEAR PAPERS-AIIMS 2002-CHEMISTRY
  1. Quantum number of an atom can be defined on the basis of

    Text Solution

    |

  2. Which of the following has maximum energy ?

    Text Solution

    |

  3. The intermediate formed in aldol condensation is

    Text Solution

    |

  4. The compound most suitable for the preparation of cyanohydrin is

    Text Solution

    |

  5. In the reaction : C(6)H(5)CHO+C(6)H(5)NH(2) to C(6)H(5)N=HC C(6)H(5)+H...

    Text Solution

    |

  6. Action of acetylene on dilute H(2)SO(4) gives

    Text Solution

    |

  7. CH(3)COCH(3) can be converted to CH(3)CH(2)CH(3) by the action of

    Text Solution

    |

  8. At 80^(@)C distilled water has [H(3)O^(+)] concentration equal [OH^(-)...

    Text Solution

    |

  9. The pH of a solution at 25^(@)C containing 0.10 M sodium acetate and 0...

    Text Solution

    |

  10. The oxidation state of Fe in Fe(3)O(4) is :

    Text Solution

    |

  11. For the reaction : H(2)+Cl overset("sunlight")to 2HCl the order of r...

    Text Solution

    |

  12. The correct order of solubility in water for He,Ne,Ar,Kr,Xe, is

    Text Solution

    |

  13. Spectrum of Li^(2+) is similar to that of

    Text Solution

    |

  14. IUPAC name of CH(3)-underset((CH(2)CH(3)))underset(|)CH-CH(2)-underse...

    Text Solution

    |

  15. Which of the following molecule has highest bond energy ?

    Text Solution

    |

  16. The heat of neutrasation of a strong acid and a strong alkali is 57.0K...

    Text Solution

    |

  17. The solubility of CuBr is 2xx10^(-4) at 25^(@)C. The K(sp) value for C...

    Text Solution

    |

  18. Schottky defect defines imperfection in the lattice structure of a

    Text Solution

    |

  19. An AB(2) type structure is found in

    Text Solution

    |

  20. Azimuthal quantum number defines.

    Text Solution

    |