JEE Main levelOne or more correct optionsDifficulty 2 of 3g2088
Which of the following pairs are correctly arranged with the stronger base first (in aqueous solution)?
ACHX3NHX2, CX6HX5NHX2
B(CX2HX5)X2NH, CX2HX5NHX2
Cpiperidine, pyridine
Dpyrrole, pyridine
Answer: A, B, C
A: aliphatic amine > aniline. B: in aqueous solution diethylamine > ethylamine. C: sp3 N (pKaH 11.1) > sp2 N (5.2). D is wrong because pyrrole is non-basic while pyridine is basic.