Question

what is iodoform test in alcohols and aldehyde and ketones?

Answer 1

Answer:

1. IODOFORM TEST is the main test used to distinguish METHY ALCOHAL from ETHYL ALCOHAL..
2. IDOFORM TEST is also used for distinguishing METHYL KETONES from other ketones
3. It can be used to distinguish ACETALDEHYDE from other ALDEHYDES ...

Explanation:

 IDOFORM TEST :-

        THE HALOFORM REACTION USING IDODINE

        AND IAQUEOUS SODIUM HYDROXIDE IS

        CALLED THE IDOFORM TEST ...

IT result in the formation of water insoluble IDOFORM which is a YELLOW SOLID...

ETHANOL :

     CH3CH20H  +4I2  +6NaOH →

              CHI3 + HCOONA + 5 NaI = 5H20

  IDOFORM  + SODIUM FORMATE

• Methanol is not able to give this reaction BECAUSE Only SECONDARY ALCHOAL containing the HYDROXL GROUP on the second Carbon atom can undergo this reaction ........

ACETALDEHYDE :

  CH3COOH + 3I2+ 4NaOH  → CHI3 + HCOONa + 3NaI + 3H20

ACETONE :

     CH3COCH3 + 3I2 + 4NaOH → CH13 +CH3COONA + 3 NaI + 3H20                                                      SODIUM ACETATE

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Answer 2

Explanation:

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