NEET Solved Paper 2019 Question 22
Question: The correct order of the basic strength of methyl substituted amines in aqueous solution is- [NEET 5-5-2019]
Options:
A) $ {{(CH _3)}_3}N.{{\text{(}CH _3\text{)}}_2}NH>CH _3NH _2 $
B) $ CH _3NH _2>{{\text{(}CH _3\text{)}}_2}NH>{{\text{(}CH _3\text{)}}_3}N $
C) $ {{(CH _3)}_2}NH>CH _3NH _2>{{\text{(}CH _3\text{)}}_3}N $
D) $ {{(CH _3)}_3}N>CH _3NH _2>{{\text{(}CH _3\text{)}}_2}NH $
Show Answer
Answer:
Correct Answer: C
Solution:
$ {{(CH _3)}_2}NH>CH _3NH _2>{{\text{(}CH _3\text{)}}_3}N $
In aqueous sol Reayon $ \to $ (i) Hychogen Bonding (ii) Stenic factor