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Find Decreasing order of acidic strength (With Explanation)

Find Decreasing order of acidic strength 
(With Explanation)

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Grade:11

1 Answers

Divyanshi Agrawal
14 Points
4 years ago
answer should be d>b>c>a
Reason: In (c),(d),(b) COOH group is present which is more acidic than phenol so a will have least acidic nature.
on comparing among b,c,d..
© will have +M effect of OH which will destablize the conjugate anion formed whereas in d and b OH will give only -I effect and in (d) OH group is nearer to COOH group therefore stablizes conjugate anion more as compared to (b)

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