Home
Class 12
CHEMISTRY
Phenol when treated with excess of bromi...

Phenol when treated with excess of bromine water gives a white precipitate of

A

m-bromophenol

B

o-and-p-bromophenol

C

2, 4-dibromophenol

D

2, 4, 5-tribromophenol

Text Solution

Verified by Experts

This reaction is famously called the bromine water test and also comprises one of the confirmatory tests of phenol. The white ppt of 2, 4, 6-tribromophenol is formed due formation of the strongly activating phenoxide ion in polar solvents such as water. The reaction is
Promotional Banner

Topper's Solved these Questions

  • ALCOHOLS, PHENOLS & ETHERS

    VMC MODULES ENGLISH|Exercise PRACTICE EXERCISE:1|21 Videos
  • ALCOHOLS, PHENOLS & ETHERS

    VMC MODULES ENGLISH|Exercise PRACTICE EXERCISE:2|12 Videos
  • ALCOHOLS, PHENOLS & ETHERS

    VMC MODULES ENGLISH|Exercise IN-CHAPTER EXERCISE - L|10 Videos
  • 13-14 HYDROGEN & S-BLOCK ELEMENT

    VMC MODULES ENGLISH|Exercise JEE Advanced Archive|48 Videos
  • ALCOHOLS, PHENOLS & ETHERS

    VMC MODULES ENGLISH|Exercise Impeccable|100 Videos

Similar Questions

Explore conceptually related problems

Aniline on treatment with excess of bromine water gives

When phenol in treated with excess bromine water, it gives

When phenol is treated with bromine water, white precipitate is obtained. Give the structure and the name of the compound formed.

When phenol is treated with bromine water, white precipitate is obtained. Give the structure and the name of the compound formed.

When 3-chlorocyclopropene (A) is treated with SbCl_5 , it gives a stable salt (B), C_3H_3SbCl_6 , which is highly polar. Further, when (A) is treated with AgBF_4 , it gives a white precipitate of AgCl and a crystalline salt (C). Explain.

Chlorobenzene when treated with ethanolic AgNO_(3) it does not give white precipitate. Explain.

Cu^(2+) ions give white precipitate with :

What will happen if bromine water is added in a white precipitate of BaSO_(3) ?

A white crystalline compound (X) swells open heating and gives violet-coloured flame. Its aqueous solution gives the following reactions : (a) A white precipitate is formed, with BaCl_(2) in presence of HCl . (b) When treated with excess of NH_(4) OH , it gives white gelatinous precipitate. the white precipitate dissolves in NaOH and reappears on boiling with concentrated solution of NH_(4) Cl . ( c) It gives yellow precipitate with cobaltinitrite solution. Identify (X) and explain the reaction at steps a, b and c .

VMC MODULES ENGLISH-ALCOHOLS, PHENOLS & ETHERS -Example
  1. Which of the following is soluble in water

    Text Solution

    |

  2. Ethyl alcohol is heated with conc. H(2)SO(4) at 170^(@)C. The product ...

    Text Solution

    |

  3. The compound that reacts fastest with Lucas reagent at room temperatu...

    Text Solution

    |

  4. Diethyl ether on heating with conc. HI gives two moles of:

    Text Solution

    |

  5. An industrial method for preparation of methanol is:

    Text Solution

    |

  6. Phenol when treated with excess of bromine water gives a white precipi...

    Text Solution

    |

  7. In CH(3)CH(2)OH, the bond that undegoes heterolytic clevage most read...

    Text Solution

    |

  8. Phenol reacts with bromine in carbon disulphide at low temperature to ...

    Text Solution

    |

  9. The products of combustion of an aliphatic thiol (RSH) at 298K are

    Text Solution

    |

  10. The order of aciditic strength among the given phenols is :

    Text Solution

    |

  11. (CH(3) )(3) CMgBr on reaction with D(2)O produces

    Text Solution

    |

  12. Benzenediazonium chloride on reaction with phenol in weakly ba...

    Text Solution

    |

  13. Among the following compounds, the strongest acid is :

    Text Solution

    |

  14. 1-propanol and 2-propanol can be best distinguished by :

    Text Solution

    |

  15. The compound will react most readily with NaOH of form methanol is :

    Text Solution

    |

  16. Text Solution

    |

  17. The following compound on hydrolysis in aqueous acetone will give :

    Text Solution

    |

  18. When phenyl magnesium bromide reacts with t-butanol the product would ...

    Text Solution

    |

  19. The best method to prepare cyclohexene form cyclohexanol is by using:

    Text Solution

    |

  20. (I) 1,2-Dihydroxy benzene (II) 1,3-Dihydroxy benzene (III) 1,4-Dih...

    Text Solution

    |