Home
Class 12
CHEMISTRY
Which of the following compounds would h...

Which of the following compounds would have the smallest value for `pK_(a)`?

A

`CHF_(2)CH_(2)CH_(2)COOH`

B

`CH_(3)CH_(2)CF_(2)COOH`

C

`CH_(2)FCHFCH_(2)COOH`

D

`CH_(3)CF_(2)CH_(2)COOH`

Text Solution

Verified by Experts

The correct Answer is:
B
`-F` is a strong electron withdrawing group. Electron withdrawing group. Electron withdrawing group present nearer to the -COOH group has more acidic strength, hence low `pK_(a)` value.
Promotional Banner

Topper's Solved these Questions

  • ALDEHYDES, KETONES AND CARBOXYLIC ACIDS

    NCERT FINGERTIPS|Exercise MCQs( CHEMICAL REACTIONS )|2 Videos

  • ALDEHYDES, KETONES AND CARBOXYLIC ACIDS

    NCERT FINGERTIPS|Exercise MCQs(CHEMICAL REACTIONS )|11 Videos

  • ALDEHYDES, KETONES AND CARBOXYLIC ACIDS

    NCERT FINGERTIPS|Exercise Physical Properties|4 Videos

  • ALCOHOLS,PHENOLS AND ETHERS

    NCERT FINGERTIPS|Exercise Assertion And Reason|14 Videos

  • AMINES

    NCERT FINGERTIPS|Exercise NCERT EXEMPLER PROBLEMS|1 Videos

Similar Questions

Explore conceptually related problems

Which of the following compounds would have the smallest value of pK_(a) ?

Which of the following compound will have the smallest pK_(a) value ?

Which of the following compounds has the smallest bond angle?

Which of the following compounds would have the same vapour pressure ?

Which one of the following atoms will have the smallest size ?

NCERT FINGERTIPS-ALDEHYDES, KETONES AND CARBOXYLIC ACIDS-Chemical Reactions
  1. What are correct steps to convert acetaldehyde to acetone?

    Text Solution

    |

  2. Identify the products (X) and (Y) in the given reaction:

    Text Solution

    |

  3. Which of the following IUPAC names is not correctly matched?

    Text Solution

    |

  4. The correct structure representation of carboxylate ion is

    Text Solution

    |

  5. Which of the following reactions does not occur ?

    Text Solution

    |

  6. Which of the following will not yield acetic acid on strong oxidation ...

    Text Solution

    |

  7. Various products formed on oxidation of 2, 5-dimethylhexan-3-one are ...

    Text Solution

    |

  8. Identify (X) and (Y) in the given reaction sequence.

    Text Solution

    |

  9. alpha-hydroxypropanoic acid can be prepared from ethanal by following ...

    Text Solution

    |

  10. The end product (Z) in the given sequence of reaction is CH(3)CH=CHC...

    Text Solution

    |

  11. Complete the reactions with appropriate products. CH(3)CHO+NH(2)OH t...

    Text Solution

    |

  12. An aromatic compound (X) (C(8)H(8)O) gives positive 2, 4-DNP test. It ...

    Text Solution

    |

  13. Carboxylic acids dimerise due to

    Text Solution

    |

  14. Which of the following carboxylic acids is highly insoluble

    Text Solution

    |

  15. Which of the following compounds would have the smallest value for pK(...

    Text Solution

    |

  16. -OH group present in alcohols is neutral white it is acidic in carboxy...

    Text Solution

    |

  17. Which of the following is the correct order of relative strength of ac...

    Text Solution

    |

  18. Which of the following orders is not correct for the decreasing order ...

    Text Solution

    |

  19. In a set of the given reactions, acetic acid yielded a product iC. CH...

    Text Solution

    |

  20. Identify the compounds (X), (Y) and (Z) in the following reaction : ...

    Text Solution

    |