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.

Answer 1

Answer: (C)

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.