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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
Write the reaction of aromatic primary amine with nitrous acid.
Write the reaction of aliphatic primary amine with nitrous acid.
Why cannot aniline be prepared by Gabriel phthalimide synthesis?
The end product C of the following reaction is
\[\ce{C2H5NH2 ->[HNO2] A ->[PCl5] B ->[NH3][Alcohol] C}\]
Which of the following reactions is appropriate for converting benzamide to aniline?
Given below are two statements labelled as Assertion (A) and Reason (R).
Assertion (A): Alkyl halides are insoluble in water.
Reason (R): Alkyl halides have halogen attached to sp3 hybrid carbon.
Select the most appropriate answer from the options given below:
Among the following amines, the strongest Brönsted base is:
Reduction of nitrobenzene by which of the following reagent gives aniline?
(i) \[\ce{Sn/HCl}\]
(ii) \[\ce{Fe/HCl}\]
(iii) \[\ce{H2 - Pd}\]
(iv) \[\ce{Sn/NH4OH}\]
Which of the following reactions are correct?
(i)
(ii)
(iii)
(iv)
Write a short note on the following:
Ammonolysis
