Which of the following statements is wrong -

Question

Which of the following statements is wrong - (A) All methyl ketones give a positive iodoform test. (B) Acetaldehyde is the only aldehyde that gives iodoform test. (C) All secondary alcohols give positive iodoform test. (D) Any alcohol that can be oxidised to an acetyl group gives a positive iodoform test.

Tardigrade Admin · Accepted Answer

This compound which contain methyl ketonic linkage or which can change to methyl ketonic linkage can give a positive iodoform test. So, all secondary Alcohol can’t be given positive iodoform test therefore option (C) is correct.

Q. Which of the following statements is wrong -

All methyl ketones give a positive iodoform test.

Acetaldehyde is the only aldehyde that gives iodoform test.

All secondary alcohols give positive iodoform test.

Any alcohol that can be oxidised to an acetyl group gives a positive iodoform test.

This compound which contain methyl ketonic linkage or which can change to methyl ketonic linkage can give a positive iodoform test. So, all secondary Alcohol can’t be given positive iodoform test therefore option (C) is correct.