JEE Main 2019 Chemistry question

Chemistry Aldehydes, Ketones and Carboxylic Acids JEE Main 2019

The correct decreasing order for acid strength is:

(A)NOCHCOOH > FCHCOOH > CNCHCOOH > ClCHCOOH
(B)CNCHCOOH > ONCHCOOH > FCHCOOH > ClCHCOOH
(C)FCHCOOH > NCCHCOOH > NOCHCOOH > ClCHCOOH
(D)NOCHCOOH > NCCHCOOH > FCHCOOH > ClCHCOOHCorrect

Answer: (D)

Solution

–I effect: NO > CN > F > Cl.

Question ID VK-010061