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- Arrange the following labeled hydrogens in decreasing order of acidity: Option: 1 c > b > a > d
- #Chemistry
- #Engineering
- #Joint Entrance Examination Main
- #Some Basic Principles of Organic Chemistry
Arrange the following labeled hydrogens in decreasing order of acidity:
Option: 1 c > b > a > d
Option: 2 b > a > c> d
Option: 3 b > c > d > a
Option: 4 c > b > d > a
Answers (1)
Stable the anion, stronger the acid.
Thus, Ka: b > c > d > a
Anion of C is stabilized by -M effect of -NO2 and benzene but anion of d is only stabilized by -M effect of benzene.
Therefore, Option(3) is correct.
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