Home
Class 12
CHEMISTRY
Arrange the following compounds in order...

Arrange the following compounds in order of decreasing acidic strength.

A

`I gt II gt III gt IV`

B

`III gt I gt II gt IV`

C

`IV gt III gt I gt II`

D

`II gt IV gt I gt III`

Text Solution

Verified by Experts

The correct Answer is:
B
Electron withdrawing group `(NO_(2)Cl)` increase the acidic strength of phenol by dispersing the negative charge of the phenoxide ion while electron releasing groups `(CH_(3), OCH_(3))` decrease the acidic strength of phenol by intensifying the negative charge of the phenoxide ion. `NO_(2)` is more realeasing than `CH-(3)`. Thus correct order of acidic strength is `IIIgtIgtIIgtIV`
Promotional Banner

Topper's Solved these Questions

  • ALCOHOL, PHENOL AND ETHERS

    R SHARMA|Exercise PHENOLS (III)|21 Videos

  • ALCOHOL, PHENOL AND ETHERS

    R SHARMA|Exercise PHENOLS (IV)|10 Videos

  • ALCOHOL, PHENOL AND ETHERS

    R SHARMA|Exercise PHENOLS (I)|10 Videos

  • AMINES

    R SHARMA|Exercise Archives|36 Videos

Similar Questions

Explore conceptually related problems

Arrange the following compounds in order of decreasing acidity :

Arrange the following compounds in order of decreasing acidity:

Rank the following compounds in order of decreasing acid strength (most acidit rarr least acidic )

Arrange the following compounds in the order of decreasing acidity. I II III IV

Arrange the following in order of decreasing acidic strength. P-nitrophenol (I), m-cresol (III),phenol(IV):

Arrange the following compounds in increasing order of acidic strength : p-nitrophenol, ethanol, phenol

R SHARMA-ALCOHOL, PHENOL AND ETHERS-PHENOLS (II)
  1. Which of the following is the weakest acid?

    Text Solution

    |

  2. Arrange the following compounds in order of decreasing acidic strength...

    Text Solution

    |

  3. Sodium benzenesulphonate is fused with solid NaOH and then acididfied ...

    Text Solution

    |

  4. Which of he following does not possess a carboxy group?

    Text Solution

    |

  5. Which of the following compounds produces a violet colour on addition ...

    Text Solution

    |

  6. Salicylic acid on heating with soda lime gives

    Text Solution

    |

  7. When phenol is treated with a solution of Br(2) in carbon disulphide a...

    Text Solution

    |

  8. The reaction is an example of

    Text Solution

    |

  9. Which of the following staments is correct regarding the solubilities ...

    Text Solution

    |

  10. Phenol on being heated with concentrated H(2)SO(4) and then with conce...

    Text Solution

    |

  11. A mixture of benzoic acid and phenol may be separated by treatment wit...

    Text Solution

    |

  12. Phenol can be converted into salicylic acid by heating with

    Text Solution

    |

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

    Text Solution

    |

  14. Which of the following does not liberate CO(2) from NaHCO(3).

    Text Solution

    |

  15. When phenol is heated with CHCl(3) and alcoholic KOH, salicylaldehyde ...

    Text Solution

    |

  16. Increasing order of acidic strength among p-methoxyphenol (i)p-methylp...

    Text Solution

    |

  17. The boiling point of p-nitrophenol is higher than that of o-nitropheno...

    Text Solution

    |

  18. Isopropylbenzene on air oxidation in the presence of dilute acid gives

    Text Solution

    |

  19. Phenol can be distinguished from ethanol by the following reagents exc...

    Text Solution

    |

  20. The compound used to manufacture phenol is

    Text Solution

    |