Related InterviewSolutions

• Gabriel phthalimide synthesis can be used for the preparation of amine fromA. `CH_(3)CH_(2)Br`B. `(CH_(3))_(3)CBr`C. `p-CH_(3)OC_(6)H_(4)Br`D. `p-CH_(3)C_(6)H_(4)Br`
• The end product of the reaction, Ethyl amine `overset(HNO_(2))rarr(A)overset(PCl_(5))rarr(B)overset(KCN)rarr(C )` `(C)` is,A. PropanenitrileB. TrethylamineC. diethylamineD. propylamine
• Hydrolysis of phenyl isocyanide formsA. benzoic acidB. formic acidC. acetanilideD. acetic acid
• Tertiary nitro compounds do not tautomerise becauseA. there is no double bondB. there is no `alpha-hydrogenC. oxygen is more electronegative than HD. All of the above
• Which statement is incorrect.A. Fluoro benzene can be synthesized in the laboratory from aniline by diazotisation followed by heating with `HBF_(4)`B. Quarternary Ammonium hydroxides having `beta -` hydrogen atom give hlfmann elimination on pyrolysis.C. on reaction with `HNO_(2)` produces D. Benzyl amine on reaction with `NaNO_(2)//HCl` followed by `beta-` Naphthol in slight basic medium forms a coloured dyo.
• Which of the following on reaction with nitrous acid followed by treatment with NaOH produces a blood red colouration?A. `R CH_(2)NO_(2)`B. `R_(3)CNO_(2)`C. `R_(2)CHNO_(2)`D. `PhNO_(2)`
• Identify the correct statement.A. B. C. A is more basic than BD.
• Which of the following compounds does not liberate nitrogen with `HNO_(2)`?A. CarbamideB. Primary amineC. Secondary amineD. Alkanamide
• The IUPAC name of the compound, `underset(OH)underset(|)(CH_(2))-underset(NH_(2))underset(|)(CH)-COOH`A. 2-amino-3-hydroxy propanoic acidB. 1-hydroxy-2-aminopropan-3-oic acidC. 1-amino-2-hydroxypropanoic acidD. 3-hydroxy-2-amino propanoic acid
• Benzylamine may be alkylated as shown in the following equation `C_(6)H_(5)CH_(2)NH_(2)+R-XrarrC_(6)H_(5)CH_(2)NHR` Which of the following alkyl halides is best suited for this reaction through `S_(N)` 1 mechanism?A. `CH_(3)Br`B. `C_(6)H_(5)Br`C. `C_(6)H_(5)CH_(2)Br`D. `C_(2)H_(5)Br`