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प्रश्न
Arrange the following in the increasing order of their pKb values:
C6H5NH2, C2H5NH2, C6H5NHCH3
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उत्तर
Order of pKb values-
C2H5NH2 < C6H5NHCH3 < C6H5NH2
This is simply because +I effect of C2H5 group increases the basicity of amine while -I effect of C6H5 group decreases the basicity of Amine.
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संबंधित प्रश्न
Identify the weakest base amongst the following :
(a) p- methoxyaniline
(b) o-toluidine
(c) benzene - 1, 4 - diamine
(d) 4 - aminobenzoic acid
Give reason for the following:
Primary amines have higher boiling point than tertiary amines.
Arrange the following: C2H5NH2, C2H5OH, (CH3)3N – in the increasing order of their boiling point
- Write structures of different isomeric amines corresponding to the molecular formula C4H11N.
- Write the IUPAC names of all the isomers.
- What type of isomerism is exhibited by different pairs of amines?
Give a plausible explanation for the following:
Why are aliphatic amines stronger bases than aromatic amines?
Arrange the following in increasing order of basic strength :
C6H5NH2, C6H5NHCH3, C6H5N(CH3)2
Choose the most correct option.
Which one of the following compounds has the highest boiling point?
Answer in one sentence.
Arrange the following amines in increasing order of boiling points.
n-propylamine, ethylmethyl amine, trimethylamine.
Acetic acid exist as dimer in benzene due to
Arrange the decreasing boiling point.
\[\ce{CH3COOH, C2H5OH, CH3NH2, CH3OCH3}\]
