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प्रश्न
Give reasons for the following observation:
pKb of aniline is lower than the m-nitroaniline.
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उत्तर
pKb of aniline is lower than the m-nitro aniline.The basic strength of aniline is more than m-nitroaniline. pKb value is inversely proportional to basic strength. The presence of an Electron withdrawing group decreases basic strength.
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संबंधित प्रश्न
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
Write the structures of the main products of the following reactions:
The correct decreasing order of basic strength of the following species is ______.
\[\ce{H2O, NH3, OH-, NH^{-}2}\]
When ethanol is mixed with ammonia and passed over alumina the compound formed is which compound?
By the presence of a halogen atom in the ring, what is the effect of this on basic property of aniline?
Which of the following compound cannot be produced if 1-propane amine is treated with NaNO2 and HCl?
Among the following, which has the highest value of pKb?
