Amines questions
620 published questions with worked solutions.
- Which of the following methods means neither for the synthesis nor for the separation of amines?
- Nitrobenzene, on reduction with Al–Hg and water (a neutral medium), gives
- A primary amine, heated with CS_2 in the presence of excess HgCl_2, gives an isothiocyanate. The reaction is called
- The products A and B in the reaction C_2H_5NH_2 + CHCl_3 + 3KOH A+B+3H_2O are
- 2-Chloroaniline is treated with CHCl_3/KOH on heating to give an intermediate, which is then treated with HCl/H_2O at 300 K to...
- The basic character of methylamines in the vapour phase is
- Nitroparaffins, on reduction, give
- Hinsberg's method of separating amines is based on the use of
- Aliphatic amines are more basic than NH_3, but aromatic amines are less basic than NH_3.
- Which of the following is not characteristic of amines?
- Diazotisation can be carried out, by the action of NaNO_2 and dilute HCl at ice-cold temperature, on
- A compound which, on reaction with aqueous nitrous acid, gives an oily nitrosoamine is
- The action of nitrous acid on a primary amine gives
- The reaction CH_3CN [Na/C_2H_5OH] 4H CH_3CH_2NH_2 is called
- p-amine and s-amine (1° and 2° amines) are distinguished from each other by
- When aniline is heated with glacial acetic acid in the presence of anhydrous ZnCl_2, the product is
- The general formula of a quaternary ammonium compound is
- Aniline, treated with NaNO_2/HCl at 0^ C (diazotisation), gives
- The reaction R-NH_2 HNO_2 R-OH (loss of N_2) is characteristic of
- Due to the +I (electron-donating inductive) effect of an alkyl group, the N-atom of an amine acquires a partial negative charge,...
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