Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason

Question

Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).\ Assertion (A) : $\mathrm{p} K_{a}$ value of phenol is 10.0 while that of ethanol is 15.9 .\ Reason ( R ) : Ethanol is stronger acid than phenol.\ In the light of the above statements, choose the correct answer from the options given below :\

Professor PC Thomas Classes · Answer

(b) : Phenols are stronger acids than alcohols and water. The ionisation of an alcohol and a phenol takes place as follows:\ The delocalisation of negative charge makes phenoxide ion more stable and favours the ionisation of phenols.\