Amines questions
620 published questions with worked solutions.
- In the reaction of (S)-2-phenylpropanamide with NaOBr/H_2O to give 1-phenylethylamine, there is
- Increasing order of basicity of CH_3CH_2CH_2NH_2 (n-propylamine), H_2C=CH-CH_2NH_2 (allylamine) and HC C-CH_2NH_2...
- Pyrolysis of the deuterium-labelled amine N-oxide (CH_3)_2 + N (O^ - )-CH_2CD_3 (N,N-dimethylethyl-d_3-amine N-oxide, i.e....
- Production of amines from ammonia and alkyl halides is called
- H_2NH_2C !- ! (cyclopentane ring) HNO_2 ? (Aminomethylcyclopentane is treated with nitrous acid.) The product is:
- **Matrix Match.** Match the oxidation reactions in Column-I with their products in Column-II. | Column-I | Column-II | |---|---|...
- **Matrix Match.** Match the reactions in Column-I with the name reactions in Column-II. | Column-I | Column-II | |---|---| | (A)...
- Four amines, (A) C_2H_5NH_2, (B) (CH_3)_2CHNH_2, (C) (CH_3)_3CNH_2 and (D) CH_3CH(NH_2)C_2H_5, are each treated with (i) NOCl...
- The product of Cope elimination (pyrolysis) of (cyclohexylmethyl)dimethylamine N-oxide, [ cyclohexyl -CH_2- + N (CH_3)_2-O^ - ],...
- An amine N-oxide, when heated, gives an alkene. This reaction is known as
- In which reaction is a nitrene not an intermediate?
- The compound N-ethyl-N-methylpropan-1-amine forms a non-superimposable mirror image but does not show optical activity. This is...
- In the reaction RCONH_2 + X RNH_2, the reagent X is
- Ketones (>C=O compounds) react with NH_3 or amines, followed by H_2/Ni. The reaction is called
- **Matrix Match.** An aromatic diazonium group can be replaced by various groups/atoms. Match List I with List II. | List I | List...
- Which of the following reactions is an example of the Sandmeyer reaction?
- During the coupling reaction of benzenediazonium chloride and aniline, the pH of the reaction medium should be approximately
- 4-Bromo-2-nitroaniline (a ring bearing -NH_2, -Br and -NO_2) is subjected to the sequence (i) diazotisation, (ii) CuCl I; I...
- Identify the product Z in the following reaction scheme: C_6H_5NH_2 Ac_2O X Br_2/CCl_4 Y HOH Z
- Correct order of basicity of NH_2 (A), p-CH_3OC_6H_4NH_2 (B), o-CH_3OC_6H_4NH_2 (C) and (D) a further methoxyaniline isomer is
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