Home
Class 12
CHEMISTRY
Phenol is a colourless liquid but on kee...

Phenol is a colourless liquid but on keeping it in air for long time it converts into brown colour due to

A

Air oxidation into p-benzoquinone

B

Air oxidation into quinol

C

Air oxidation into o-benzoquinone

D

Air oxidant into m-benzoquinone

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NTA NEET TEST 111

    NTA MOCK TESTS|Exercise CHEMISTRY|45 Videos
  • NTA NEET TEST 22

    NTA MOCK TESTS|Exercise CHEMISTRY|45 Videos

Similar Questions

Explore conceptually related problems

Pure nitric acid on is a colourless liquid, but on exposure to sunlight it turns slightly brown, due to

Give reason: Aniline gets coloured on standing in air for a long time.

The colour in the brown fat is due to

Pure phenol is colourless but gets converted into pink after sometime by placing in the open air. Give chemical equation.

Why do lead salts turn black on keeping for a long time in the laboratory?

The colour of faecs is brown due to

When alkali metal is dissolved in liquid NH_3 the blue colour of the dilute solution changes to bronze colour due to

What enables a clam to keep its shell closed for a long time?

NTA MOCK TESTS-NTA NEET TEST 112-CHEMISTRY
  1. Analysis show that nickel oxide consists of nickel ion with 96% ions h...

    Text Solution

    |

  2. Which gaseous product is formed when a mixture of iron (II) sulphate a...

    Text Solution

    |

  3. Phenol is a colourless liquid but on keeping it in air for long time i...

    Text Solution

    |

  4. 4AgNO(3) + underset(dry)(2Cl2) to 4X + 2Y + Z In the above sequence ...

    Text Solution

    |

  5. N2O4 is dissociated to 33% and 40% at total pressure P1 and P2 atm res...

    Text Solution

    |

  6. How much of 0.3 M NH(4)OH should be mixed with 30mL of 0.2M solution o...

    Text Solution

    |

  7. What is the major organic product of the reaction ?

    Text Solution

    |

  8. Calculate the Effective Atomic number of Mn is Mn(2)(CO)(10).

    Text Solution

    |

  9. Match List I with List II and select the correct answer using the code...

    Text Solution

    |

  10. Kinetic energy and pressure of a gas of unit volume are related as:

    Text Solution

    |

  11. For the cell reaction, underset((C(1)))(Cu^(2+)) (aq.)+Zn(s) rarr un...

    Text Solution

    |

  12. Th C-O-O bond angle in the ether molecule is

    Text Solution

    |

  13. Hydrogen atoms are excited on n=4 state. In the spectrum of emitted ra...

    Text Solution

    |

  14. When MnO2 is strongly heated to get oxygen gas, the oxidation number o...

    Text Solution

    |

  15. The freezing point of a 3% (by weight) aqueous solution of A is equal ...

    Text Solution

    |

  16. Which of the following ketone does not react with CH(3)MgBr?

    Text Solution

    |

  17. In the given reaction, CH(3)-underset(CH3)underset(|)(CH)-overset(O)...

    Text Solution

    |

  18. A solution of 200 mL of 1 M KOH is added to 200 mL of 1 M HCl and the ...

    Text Solution

    |

  19. The compound H2N -Hg-O-Hg-I is formed by the action of

    Text Solution

    |

  20. The value of Lambda(eq)^(oo) for NH(4)Cl, NaOH and NaCl are 149.74, 24...

    Text Solution

    |