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- How to solve this problem- Which one of the following is the strongest base in aqueous solution?
Which one of the following is the strongest base in aqueous solution?
- Option 1)
Methylamine
- Option 2)
Trimethylamine
- Option 3)
Aniline
- Option 4)
Dimethylamine
Answers (2)
As we learnt in
Comparision of Basic nature in aliphatic amines in aqueous phase. -
The basic strength of an amine in aqueous medium is determined not only on the basic of +I effect of the alkyl groups attached to the nitrogen atom but also the solvation of alkyl ammonium ion formed by uptake of proton.
The solvation of alkyl ammonium ion follows the above order. Both the +I effect and solvation of amine make basic order of aniline in aqueous medium as
- wherein
General order of basicity -
Aliphatic Amines > Ammonia > Aromatic Amines
-
In aqueous solution the order of basic strength is -
Option 1)
Methylamine
Incorrect
Option 2)
Trimethylamine
Incorrect
Option 3)
Aniline
Incorrect
Option 4)
Dimethylamine
Correct
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