NTA Abhyas JEE Main2020ChemistryGeneral Organic ChemistryPractice
Which is the correct order of increasing basicity?
Options
- ACH 3 CH 2 CH 3 < CH 3 CH 2 SH < CH 3 CH 2 OH < CH 3 CH 2 NH 2
- BCH 3 CH 2 CH 3 < CH 3 CH 2 OH < CH 3 CH 2 SH < CH 3 CH 2 NH 2
- CCH 3 CH 2 NH 2 < CH 3 CH 2 SH < CH 3 CH 2 OH < CH 3 CH 2 CH 3
- DCH 3 CH 2 CH 3 < CH 3 CH 2 OH < CH 3 CH 2 NH 2 < CH 3 CH 2 SH
Correct answer
A. CH 3 CH 2 CH 3 < CH 3 CH 2 SH < CH 3 CH 2 OH < CH 3 CH 2 NH 2
Step-by-step solution
CH 3 - CH 2 - CH 3 No lone pair, least basic CH 3 - CH 2 - OH CH 3 - CH 2 - NH 2 E.N. ↑ B.S. ↓ Size same CH 3 CH 2 SH size increases, basicity decreases