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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
Arrange the following in increasing order of their basic strength :
C6H5 – NH2, C6H5 – CH2 – NH2, C6H5 – NH – CH3
Arrange the following:
In increasing order of boiling point:
C2H5OH, (CH3)2NH, C2H5NH2
Answer in one sentence.
Arrange the following amines in increasing order of boiling points.
n-propylamine, ethylmethyl amine, trimethylamine.
Arrange the following compounds in increasing order of their boiling points.
Ethyl alcohol, Ethyl amine, Ethanoic acid, Ethane
Which of the following should be most volatile?
Assertion: N-Ethylbenzene sulphonamide is soluble in alkali.
Reason: Hydrogen attached to nitrogen in sulphonamide is strongly acidic.
Dimerisation of carboxylic acids is due to
Which of the following compound gives a secondary amine oh reduction?
The correct order of decreasing basic strength of the given amines is:
