Important Questions of Amines Chemistry | Zigya

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261.

Hinsberg reagent is :

  • C6H5SO3H

  • C6H5NO

  • C6H5SO2Cl

  • C6H5N2Cl


262.

Ethyl amine reacts with nitrous acid to form :

  • C2H5OH

  • C2H5OH , N2 , H2O

  • C2H5N2+Cl-

  • C2H5NHOH , NH3


263.

The reaction of chloroform with alcoholic KOH and p toluidine form :


264.

Which one of the following does not participate in the carbylamine reaction ?

  • KOH

  • Ethanol

  • Chloroform

  • Aniline


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265.

Alkyl halides react with Mg in dry ether to form :

  • magnesium halide

  • Grignard's reagent

  • alkene

  • alkyne


266.

If phthalic acid is treated with NH3 and then it is first heated weakly then strongly, the final product formed is


267.

Which of the following will give carbylamine test?

  • CH3NH2

  • CH3NHCH3

  • CH3N(CH3)CH3

  • CH3CONH2


268.

Nitrobenzene (PhNO2Zn + NH4ClP ?

  • C6H5NH2

  • C6H5NHOH

  • C6H5-N=O

  • C6H6


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269.

PhCH2Cla.q. NaCl? Catalytic hydrogenation(U)

The final product (U) is:

  • C6H5CH2CH2NH2

  • C6H5CH2CONH2

  • C6H5CH2NH2

  • C6H5CH2NHCH3


270.

Among the following, the correct order of basicity is :

  • NH2- > OH- > RO- > RCOO-

  • NH2- > RO- > OH- > RCOO-

  • RCOO- > NH2- > RO- > OH-

  • RCOO- > RO- > NH2- > OH-


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