Identify the alkene that is produced in the following series of r

Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement

 Multiple Choice QuestionsMultiple Choice Questions

71.

Which of the following amines gives yellow oily liquid with HNO3

  • Ethyl methyl amine

  • Aniline

  • 3-methyl benzyl amine

  • Methyl amine


72.

N-ethyl-N-methylpropan-1-amine is

  • 1° amine

  • 2° amine

  • 3° amine

  • 4° amine


73.

How many metamers are possible for molecular formula C4H11N ?

  • 2

  • 3

  • 4

  • 5


74.

Benzaldehyde reacts with ammonia to form

  • benzaldehyde ammonia

  • urotropine

  • hydrobenzamide

  • ammonium chloride


Advertisement
75.

Which of the following gives condensation with hydroxyl amine but does not undergo self condensation?

  • Methanal

  • Propanal

  • Acetone

  • Ethanal


76.

Which of the following is the strongest base?


77.

Which of the following is the most stable diazonium salt?

  • C6H5CH2N2+X-

  • CH3N2+X-

  • CH3CH2N2+X-

  • C6H5N2+X-


78.

The correct IUPAC name of [Co(NH3)3(NO2)3] is

  • Triammine trinitro-N cobalt (III)

  • Triammine trinitro-N cobalt (II)

  • Triammine cobalt (III) nitrite

  • Triammine trinitro-N cobaltate (III)


Advertisement
79.

The replacement of diazonium group by fluorine is known as

  • Gattermann reaction

  • Sandmeyer reaction

  • Balz-Schiemann reaction

  • Etard reaction


Advertisement

80.

Identify the alkene that is produced in the following series of reactions

  


A.

Quaternary ammonium salt of alkyl amines, when reacts with silver oxide yield quaternary ammonium hydroxide. On strong heating, it decomposes into alkene, tert. amine and water. This reaction is known as Hofmann elimination reaction. Here elimination of H takes place from β-carbon having more hydrogen atoms.


Advertisement
Advertisement