Q. No.Which of the following statements about primary amines is false?
1. Alkyl amines are stronger bases than aryl amines
2. Alkyl amines react with, nitrous acid to produce alcohols
3. Aryl amines react with nitrous acid to produce phenols
4. Alkyl amines are stronger bases than ammonia
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The structure of 'Y' would be
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2. 1, 4– Dinitrobenzene
3. 1, 2, 4– Trinitobenzene
4. 1, 2– Dinitrobenzene
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+ 
is :
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2. Azoxybenzene
3. Azobenzene
4. Aniline
Method by which aniline cannot be prepared is
1. Hydrolysis phenyl isocyanide with acidic solution
2. Degradation of benzamide with bromine in alkaline Solution
3. Reduction of nitrobenzene with H/Pd in ethanol
4. Potassium salt of phthalimide treated with chlorobenzene followed by the hydrolysis aqueous NaOH solution
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| 1. | Arylamines are generally more basic than alkylamines because the nitrogen lone-pair electrons are not delocalized by interaction with the aromatic ring -electron system |
| 2. | Arylamines are generally more basic than alkylamines because of aryl group |
| 3. | Arylamines are generally more basic than alkylamines, because the nitrogen atom in arylamines is sp-hybridlzed |
| 4. | Arylamines are generally less basic than alkylamines because the nitrogen lone-pair electrons are delocalized by interaction with the aromatic ring -electron system. |
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