devarshi-dt-logo

Question:

(i) F3CCOOH (ii) CH3COOH (iii) C6H5COOH (iv) CH3CH2COOH Correct order of pKa value is?

4>3>2>1

1>2>4>3

1>3>2>4

4>2>3>1

Solution:

Correct option is B. 4>2>3>1
Solution:- (B) 4>2>3>1
As we know that stronger the acid, lower the value of pKa. Hence the correct order of pKa value is- 4>2>3>1