Amines questions
620 published questions with worked solutions.
- Which of the following reagents would be useful as the basis for a simple chemical test to distinguish between p-toluidine,...
- Consider p-aminophenol. In strongly acidic medium it is present as the anilinium-type cation A (with - + N H_3 and free -OH, ring...
- An amino-naphthol derivative couples with a diazonium salt ArN_2^ + X^ - at pH 5-7 to give X, and with the same diazonium salt at...
- Hydrazobenzene NaIO_3 (X) CH_3CO_3H (Y). Both X and Y, on reduction with Sn/HCl, give Z. Which of X, Y or Z does this sequence...
- Aniline (i) (CH_3CO)_2O (ii) HOSO_2Cl (iii) RNH_2 [ ] (iv) dil. HCl [X]; here X is
- Benzyl amine cannot be prepared by
- During diazotisation of benzenamine (aniline) with sodium nitrite and hydrochloric acid, the excess of hydrochloric acid is used...
- Decreasing order of basicity of the three isomers of methoxyaniline is
- Tertiary nitroalkane cannot tautomerise because
- In the reaction between CH_3NC and HgO, the product obtained is
- In the reduction of nitrobenzene (with Fe/HCl or Sn/HCl) to aniline, which of the following is an intermediate?
- **Matrix Match.** Match the reduction of nitrobenzene (Column I) with its major product (Column II). | Column I | Column II |...
- The conversion C_6H_5NO_2 C_6H_5-N=N-C_6H_5 ( with one N bearing an O) can be brought about by reduction with
- Which of the following reactions can be used to prepare ethyl isocyanide?
- Phenyl cyanide cannot be obtained by
- Correct order of basic nature of CH_3NH_2(A), CH_3CN(B) and CH_3N=CHCH_3(C) is
- A positive carbylamine test is given by
- Arrange the following compounds in increasing order of basic strength (aqueous medium): piperidine (I), pyridine (II), piperazine...
- Which of the following is an enamine?
- **Matrix Match.** Match the reaction of each amine (Column I) with NaNO_2/HCl to its product (Column II). | Column I | Column II...
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