Home
Class 12
CHEMISTRY
Which acid has lowest value of pK(a) ?...

Which acid has lowest value of `pK_(a)` ?

A

p-Methoxybenzoic acid

B

p-Chlorobenzoic acid

C

p-Aminobenzoic acid

D

p-Toluic acid

Text Solution

Verified by Experts

The correct Answer is:
2

due to -I effect
Promotional Banner

Topper's Solved these Questions

  • BIOMOLECULES

    NARAYNA|Exercise EXERCISE-4 (NCERT EXAMPLAR PROBLEMS)|12 Videos
  • CHEMICAL KINETICS

    NARAYNA|Exercise EXERCISE -4|30 Videos

Similar Questions

Explore conceptually related problems

Which has highest value of pK_(a) ?

Which one has the lowest value

Which has the lowest value for its pK_(a)?

Which of the following will have lowest value of pK_(b) ?

Which of the following acid has the lowest value of acid dissociation constant :

Which compound has the highest value of pK_(a) ?

Which of the following acids has lowest value of dissociation canstant?

Which has highest pk_(a) value

NARAYNA-CARBOXYLIC ACID-All Questions
  1. The relative order of rate of esterification of acids is

    Text Solution

    |

  2. Among ethabol (I) Acetic acid (II) phenol (III) and Benzoic acid (IV)...

    Text Solution

    |

  3. Which acid has lowest value of pK(a) ?

    Text Solution

    |

  4. Which of following anion is a strongest base ?

    Text Solution

    |

  5. Which of the follwong compound does not have a carboxyl group.

    Text Solution

    |

  6. The -COOH group in benzne ring is

    Text Solution

    |

  7. Which of the following reactions is not the oxidation ?

    Text Solution

    |

  8. Compound Ph-O-overset(O)overset(||)(C)-Ph can be prepared by the react...

    Text Solution

    |

  9. Acetic acid can be used

    Text Solution

    |

  10. Hydrolysis of an ester gives a carboxylic acid which on Kolbe's electr...

    Text Solution

    |

  11. Identify C in the following reaction C(2)H(2) overset("Chromic acid"...

    Text Solution

    |

  12. CH(3)CN+H(2)Ooverset(H^(+))toA overset("Excess" Cl(2))underset(Red P)t...

    Text Solution

    |

  13. R-COCH(3) overset(X(2)//OH^(-))to CHX(3)+Carboxylate ion overset(H^(+)...

    Text Solution

    |

  14. On mixiting ethyl acetate with aqueous sodium chloride, the compositio...

    Text Solution

    |

  15. Which of the following reagents may be used to distinguish between phe...

    Text Solution

    |

  16. Sodium ethoxide has reacted with ethanoyl chloride. The compound that ...

    Text Solution

    |

  17. The major product obtanined on interaction of phenol with sodium hydr...

    Text Solution

    |

  18. Sodium ethoxide has reacted with ethanoyl chloride. The compound that ...

    Text Solution

    |

  19. The strongest acid amongst the following compound is

    Text Solution

    |

  20. Compound (A) ,C(8)H(9)Br gives a white precipitate when warmed with a...

    Text Solution

    |