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Acidity of Alcohols and Phenols

The order of ...

Question

The order of reactivity of following alcohols with halogen acids is .......

(A) $C H_{3} C H_{2} - C H_{2} - O H$ (B)

(a) (A) > (B) > (C) (b) (C) > (B) > (A)

(c) (B) > (A) > (C) (d) (A) > (C) > (B)

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Solution

Answer: (b). (C) > (B) > (A)

The reactivity order of alcohols towards halogen acids is 3° > 2° > 1°, since the stability of carbocations is of the order 3° > 2° > 1 °.

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C H_{3} O \oplus C H_{2}

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{M e}_{2} \oplus C H

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What is the decreasing order of strengths of the following bases?
$⊖ O H, N H_{2}^{⊖}, H - C \equiv C^{⊖}, a n d C H_{3} - C H_{2}^{⊖}$

C - C u

C H_{3} C H_{2} C u

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