JEE Main levelSingle correct optionDifficulty 2 of 3g2029
Assertion: 4-Nitrophenol is a stronger acid than 3-nitrophenol.
Reason: The -M effect of the nitro group operates from the para position but not from the meta position.
AAssertion is true but Reason is false.
BBoth Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
CAssertion is false but Reason is true.
DBoth Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
Answer: D
4-Nitrophenoxide is stabilised by resonance (-M) as well as by -I effect, while 3-nitrophenoxide is stabilised by -I effect only. The assertion is true and the reason correctly explains it.