Important Questions of Organic Chemistry – Some Basic Principles and Techniques Chemistry | Zigya

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

Advertisement
631.

Two bonds N=O and N-O in H3CNO2 are of same bond lenght due to

  • Inductive effect

  • hyperconjugation

  • electromeric effect

  • resonance effect


632.

Which of the following molecules is optically active?

  • (i) and (iii)

  • (ii) and (iii)

  • (i), (ii) and (iii)

  • (i) and (ii)


633.

Provide the systematic name of the compound shown

  • 4- butyl - 2-ethyl - 1- methylcycloheptane

  • 1- butyl - 4-ethyl - 3- methylcycloheptane

  • 2- butyl - 4-ethyl - 1- methylcycloheptane

  • 4- butyl - 1-ethyl - 2- methylcycloheptane


634.

Which one of the following compounds will have the highest dipole moment?


Advertisement
635.

Total number of stereoisomers of the following compounds are respectively

  • 8, 0

  • 6, 6

  • 8, 8

  • 4, 6


636.

Which of the following effects of NO2 group operates on -NH2 group in this molecule?

  • a) Only +M effect

  • Only -M effect

  • Both -I and -M effect

  • Only -I effect


637.

Which one of the following has the highest nucleophilicity?

  • OH-

  • CH3-

  • NH2-

  • F-


638.

Which of the following compounds will exhibit geometrical isomerism?

  • 3-phenyl-1-butene

  • 2-phenyl-1-butene

  • 1, 1-diphenyl-1-proene

  • 1-phenyl-2-butane


Advertisement
639.

Which of the following compounds is insoluble even in hot concentrated H2SO4?

  • Benzene

  • Hexane

  • Aniline

  • Ethylene


640.

Which of the following is a meso-compoud?

  • cis-1, 3-dimethylcyclohexane

  • trans-1, 3-dimethylcyclohexane

  • cis-1, 4-dimehylcyclohexane

  • trans-1, 4-dimethylcyclohexane


Advertisement