Question Detail
Question
Which of the following is not normally considered to be a nucleophile?
Correct Answer
Option D is the correct answer.
Detailed Explanation
CH3CH2+ (ethyl cation) is electron-deficient and acts as an electrophile, not a nucleophile. The other options (NH3, CH3NH2, HC≡C:-) have lone pairs or negative charges and are nucleophiles.
Hint
Which of these is electron-poor?