Question

Which of the following is a symbol of carbonyl group?

• A. –CHO
• B. –COOH
• C. >CO
• D. –O–

Hint:

Carbonyl group is common in aldehydes and ketones.

Answer 1

The Correct Option is C

Step 1: Carbonyl definition.
A carbonyl group is C=O, where carbon is double-bonded to oxygen.
Step 2: Elimination.
- –CHO is an aldehyde group.
- –COOH is a carboxyl group.
- –O– is ether linkage.
Step 3: Conclusion.
Thus, the correct symbol is >CO.