GKFix MCQ Question

In the gaseous phase, what is the correct order of basicity for amines?

• A. Primary amine > secondary amine > tertiary amine > ammonia
• B. Secondary amine > tertiary amine > primary amine > ammonia
• C. Ammonia > primary amine > secondary amine > tertiary amine
• D. Tertiary amine > secondary amine > primary amine > ammonia