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31.

The main product formed in the following reaction is


32.

The correct order of the basic strength of the following are

  • I>II>III>IV

  • IV>II>III>I

  • III>IV>II>I

  • III>II>IV>I


33.

In the reaction,


34.

Which of the following sodium compound/compound (s) are formed when an organic compound containing both nitrogen and sulphur is fused with sodium?

  • Cyanide and sulphide

  • Thiocyanate

  • Sulphite and Cyanide

  • Nitrate and sulphide


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35.

Which of the following is an example of carbylamine reaction?

  • 2Ph NH2 + CS2  (ii) conc. HCl(i) KOH Ph- NCS

  • R - NH2 + HNO2 0 - 5°C R - OH + N2 + HCl

  • Ph - NH2 + CHCl3 + 3KOH (alc.)  ph - NC + 3KCl + 3H2O

  • Ph2 - NH + HONO  Ph2 - N - N= O + H2O


36.

C3H9N reacts with Hinsberg reagent and the product is insoluble in alkali but soluble in ether. This nitrogen containing compound is

  • primary amine

  • secondary amine

  • tertiary amine

  • methyl isocyanide


37.

Which of the following compounds gives carbylamine test?

  • N-methyl-o-methyl aniline

  • N, N-dimethyl aniline

  • 2, 4-diethyl aniline

  • p-methyl-N-methyl benzylamine


38.

Which of the following is 3° amine?

  • 1-methylcyclohexylamine

  • Triethyl amine

  • Tert-butylamine

  • N-methyl aniline


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39.

Which of the following is most basic in nature?

  • NH3

  • CH3NH2

  • (CH3)2NH

  • C6H5N(CH3)2


40.

In which of the following, NH3 is not used?

  • Tollen's reagent

  • Nessler's reagent

  • Group reagent for the analysis of IV group basic radicals

  • Group reagent for the analysis of III group basic radicals


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