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The ascending order of acidity of –OH group in the following compounds is : (A) Bu–OH (B) (C) (D) (E) Choose the correct answer from the options given below :

1. (C) < (A) < (D) < (B) < (E)
2. (A) < (C) < (D) < (B) < (E)
3. (A) < (D) < (C) < (B) < (E)
4. (C) < (D) < (B) < (A) < (E)

Correct answer: (A) < (C) < (D) < (B) < (E)

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