Question

please anwrr chem 12​

Answer 1

Answer:

order of acidic strength is A>B>C>D,. here A>B because when bulky substitute present at Ortho position then acidic strength increase due to SIR effect and B>C because in pera hydroxy benzoic acid OH shoe +m effect and +m decrease acidic strength and C>D because pka value is More in D as compared to C and pka value increase then acidic strength decrease