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प्रश्न
The correct increasing order of basic strength for the following compounds is ______.
(I)
(II)
(III)
विकल्प
II < III < I
III < I < II
III < II < I
II < I < III
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उत्तर
The correct increasing order of basic strength for the following compounds is II < I < III.
Explanation:
The greater the electron density towards the ring, the greater its basic strength. The electron-withdrawing group reduces basic strength, whereas the electron-donating group increases basic strength.
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संबंधित प्रश्न
Arrange the following:
Aniline, p-nitroaniline, p-methylaniline - in the increasing order of their basic strength
Write the structures of main products when aniline reacts with the following reagents : HCl
Arrange the following:
In decreasing order of the pKb values:
C2H5NH2, C6H5NHCH3, (C2H5)2NH and C6H5NH2
Arrange the following:
In increasing order of basic strength:
C6H5NH2, C6H5N(CH3)2, (C2H5)2NH and CH3NH2
Arrange the following:
In increasing order of basic strength:
Aniline, p-nitroaniline and p-toluidine
Arrange the following:
In decreasing order of basic strength in the gas phase:
C2H5NH2, (C2H5)2NH, (C2H5)3N and NH3
Write a short note on the following:
Carbylamine reaction
Arrange the following in decreasing order of their basic strength:
C6H5NH2, C2H5NH2, (C2H5)2NH2, NH3
Explain why \[\ce{MeNH2}\] is stronger base than \[\ce{MeOH}\]?
Account for the following:
Acylation of aniline is carried out in the presence of pyridine.
A Solution of methyl amine shows which type of property with litmus paper?
Which of the following is most basic?
By the presence of a halogen atom in the ring, what is the effect of this on basic property of aniline?
Give reasons for the following observation:
pKb of aniline is lower than the m-nitroaniline.
Among the following, which has the highest value of pKb?
Arrange the decreasing order of pKb values.
\[\ce{C6H5NH2, C6H5NHCH3, C6H5CH2NH2, CH3NH2, NH3}\]
State one reason for the following:
Alkylamine is soluble in water, whereas arylamine is insoluble in water.
The correct order of the increasing basic nature of Ammonia, Methylamine and Aniline is:
