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प्रश्न
Arrange the following.
In decreasing order of basic strength
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उत्तर
Aliphatic amines are more basic than aromatic amines. Therefore CH3CH2NH2 and CH3NH2 are more basic. Among the ethylamine and methylamine. ethylamine was experienced more +I effect than methylamine and hence ethylamine is more basic than methylamine.
Nitro group has a powerful electron-withdrawing group and they have both – R effect as well as – I effect. As a result, all the nitro anilines are weaker bases than aniline. In P-nitro aniline
both – R effect and – I effect of the NO2 group decrease the basicity. Therefore decreasing order of basic strength is,
Ethylamine > Methylamine > Aniline > p-nitro aniline
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संबंधित प्रश्न
Choose the most correct option.
Identify ‘B’ in the following reactions
\[\ce{CH3 - C ≡ N ->[Na/C2H5OH] A ->[NaNO2/dilHCl]B}\]
When aniline reacts with acetic anhydride the product formed is ____________.
Write a short note on the following.
Mustard oil reaction
Account for the following.
Gabriel phthalimide synthesis is preferred for synthesising primary amines.
Account for the following.
Ethylamine is soluble in water whereas aniline is not.
How will you prepare propan-1-amine from propanamide?
Complete the following reaction.
The amine formed from an amide by mean of bromine and alkali has how many number of carbon atoms?
Which among the following is the strongest Bronsted base?
Write a short note on the following.
Ammonolysis
