Question detail
What is the general formula for primary amines?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Amines (A-level only)
Question
- A. C_nH_{2n+1}NH_2
- B. C_nH_{2n}NH_2
- C. C_nH_{2n+2}NH_2
- D. C_nH_{2n-1}NH_2
Answer
C_nH_{2n+1}NH_2
Explanation
The general formula for primary amines is C_nH_{2n+1}NH_2, indicating that they contain one nitrogen atom and are derived from alkanes.
Common mistake
Misclassification of Amines
Students often confuse primary, secondary, and tertiary amines, incorrectly classifying them based on the number of nitrogen atoms instead of the number of carbon atoms attached to the nitrogen.
Remember that primary amines have one carbon atom attached to the nitrogen, secondary amines have two, and tertiary amines have three. Focus on the carbon count to classify correctly.
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