Chemistry
NULL
Medium
Question
Which one is not a nucleophile ?
A
C2H5O-
B
SCN-
C
NH3
D
H3C+
✓ Official correct answer
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A
C2H5O-
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B
SCN-
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C
NH3
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D
H3C+
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Explanation
H3C+ (a methyl carbocation) is not a nucleophile — being positively charged and electron-deficient, it acts as an electrophile, unlike C2H5O-, SCN-, and NH3, which all have available electron pairs.
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