Arrange the following in decreasing order of their basic strength. C6H5NH2, C2H5NH2, (C2H5)2NH, CH3NH2, C6H5CH2NH2, NH3
The decreasing order of basic strength of the above amines and ammonia follows the following order:(C6H5)2NH > C2H5NH2 > CH3NH2 > NH3 > C6H5CH2NH2 > C6H5NH2.
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42.
Why are amines basic in nature?
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43.Why are aromatic amines weaker bases than aliphatic amines?
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44.
Why are amines soluble in dilute mineral acids?
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45.Why sulphanilic acid has high melting point?
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46.
What happens when silver chloride is treated with aqueous ethylamine?
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47.
What is diazotization?
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48.
Write chemical reaction for the preparation of sulphanillic acid from aniline.
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49.
How acetanilide obtained from aniline?
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50.
How is aniline obtained from nitrobenzene? Write only the chemical equation .