Question

Which one of the following reacts with Grignard reagent to form an addition product which can be hydrolysed to a carboxylic acid?

• A. $O _{2}$
• B. $CO _{2}$
• C. $SO _{2}$
• D. None of these

Answer 1

Answer: (B)

Correct answer is (b) $CO _{2}$