Question

(b) CH3COOH, HCOOH, C6H5COOH, CF3COOH (Increasing order of acidic strength)
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Answer 1

Answer:

acidic strength is directly proportional to -I grp

Page number of 2nd part 12 th NCERT

Explanation:

cf3cooh>hcooh>c6h5cooh>CH3 cooh>>>

Answer 2

Increasing acidic strength of the given species is as follows.

   $C_{6}H_{5}COOH < CH_{3}COOH < HCOOH < CF_{3}COOH$

Explanation:

More will be the conjugation taking place in a compound more difficulty it will have to release a hydrogen ion. And, more is the electronegative atom present in a compound more will be the partial charges present on the compound.

Hence, easily it can release a hydrogen ion. Therefore, order of increasing acidic strength of the given species is as follows.

   $C_{6}H_{5}COOH < CH_{3}COOH < HCOOH < CF_{3}COOH$

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