Home
Class 12
CHEMISTRY
Which of the following will not form a y...

Which of the following will not form a yellow precipitate on heating with an alkaline solution of iodine?

A

`CH_3OH`

B

`CH_3CH_2OH`

C

`CH_3CH(OH)CH_3`

D

`CH_3CH_2CH(OH)CH_3`

Text Solution

Verified by Experts

The correct Answer is:
A

Formation of a yellow precipitate on heating a compound with an alkaline solution of iodine is known as iodoform reaction. Methyl alcohol does not respond to this test. lodoform test is exhibited by ethyl alcohol, acetaldehyde, acetone, methyl ethyl ketone and those alcohols which possess `CH_3CH(OH)-` group.
Promotional Banner

Topper's Solved these Questions

  • ALCOHOLS, PHENOLS AND ETHERS

    ERRORLESS|Exercise Assertion & Reason|20 Videos
  • ALCOHOLS, PHENOLS AND ETHERS

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Different Ethers and Hydroxy Compounds)|28 Videos
  • ALDEHYDES AND KETONES

    ERRORLESS|Exercise ASSERTION AND REASON|10 Videos

Similar Questions

Explore conceptually related problems

Which of the following will give yellow precipitate with KOI?

Which of the following yield yellow precipitate on reaction with I_(2) and NaOH ?

Which of the following compounds will give a yellow precipitate with iodine alkali?

Which of the following will form a yellow precipitate of iodoform on heating with I_(2) and dilute NaOH ?

Which of the following compound will given yellow precipitate on shaking with aqueous solution of NaOH followed by the addition of AgNO_(3) solution ?

ERRORLESS-ALCOHOLS, PHENOLS AND ETHERS-PAST YEARS QUESTIONS
  1. In the chemical reactions, the compounds 'A' and 'B' respectively...

    Text Solution

    |

  2. Which of the following is not characteristic of alcohols?

    Text Solution

    |

  3. Which of the following will not form a yellow precipitate on heating w...

    Text Solution

    |

  4. Number of isomeric alcohols of molecular fomula of C(6)H(14)O which g...

    Text Solution

    |

  5. Which of the following are correct chain isomers of butane ? (i) <im...

    Text Solution

    |

  6. Kolbe-schmidt reaction is used for

    Text Solution

    |

  7. Phenol is distilled with Zn dust followed by Fridel Crafts alkylation ...

    Text Solution

    |

  8. Reaction of phenol with chloroform in presence of dilute sodium hydrox...

    Text Solution

    |

  9. In the reaction CH3-overset(CH3)overset(|)(CH)-CH(OH)-CH2-CH3 +HIovers...

    Text Solution

    |

  10. Major product of the following SN1 reaction is : H3C-underset(Br)un...

    Text Solution

    |

  11. Match the following Column A to Column B

    Text Solution

    |

  12. Find the missing frequencies in the following frequncy distribution wh...

    Text Solution

    |

  13. Among the following ethers, which one will produce methyl alcohol on t...

    Text Solution

    |

  14. Find the perimeter of the figure given below.

    Text Solution

    |

  15. At higher temperature, iodoform reaction is given by:

    Text Solution

    |

  16. What is the product obtained when chloride reacts with ethyl alcohol i...

    Text Solution

    |

  17. On heating glycerol with conc. H(2)SO(4) a compound is obtained which ...

    Text Solution

    |

  18. Glycerol reacts with P(4)+I(2) to form:

    Text Solution

    |

  19. When glycerol is treated with excess of Hl, the product formed is……………...

    Text Solution

    |

  20. o- nitrophenol is steam volatile while p-nitrophenol is not. Discuss.

    Text Solution

    |