AIIMS2009Chemistry-Organic Chemistry
AIIMS 2009 Chemistry Nucleophilic Substitution Reactions MCQ Question
Type: MCQ-conceptual-Medium-Class 12
In solvents like DMSO, acetonitrile, F⁻ ion of dissolved NaF is more reactive than in methyl alcohol. Explain
A
CH₃OH is more polar than DMSO and CH₃CN
B
CH₃OH is less polar than DMSO and CH₃CN
C
unsolvated F⁻ ions in DMSO or CH₃CN acts more efficiently as nucleophile
D
-OH group is a better leaving group than F⁻ ion
Correct Answer
Option C
Detailed Explanation
In methyl alcohol, F- ion is solvated but in DMSO or CH3CN (aprotic solvent) F- ion is not solvated.
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