Chemistry : Organic Chemistry – Some Basic Principles and Techniques

Total number of stereoisomers of the following compounds are respectively

• 8, 0

• 6, 6

• 8, 8

• 4, 6

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

Which one of the following has the highest nucleophilicity?

• OH^-

• CH${}_3^{-}$

• NH${}_2^{-}$

• F^-

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

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

• Benzene

• Hexane

• Aniline

• Ethylene

Which of the following is a meso-compoud?

• cis-1, 3-dimethylcyclohexane

• trans-1, 3-dimethylcyclohexane

• cis-1, 4-dimehylcyclohexane

• trans-1, 4-dimethylcyclohexane

The correct IUPAC name of following compound 

• 2-methyl–5-nitro-1-chlorobenzene

• 2-chloro–1-methyl-4-nitrobenzene

• 5-chloro–4–methyl–1–nitrobenzene

• 3-chloro–4–methyl–1–nitrobenzene

The organic compound that gives following qualitative analysis is:

Test	Inference
a. Dil. HCl	Insoluble
b. NaOH solution	Soluble
c. Br2/ water	Decolourization

The principle of Column Chromatography is

• Capillary action

• Differential absorption of the substances on the solid phase

• Differential absorption of the substances on the phase

• Gravation force

Which of the these factors does not govern the stability of a conformation in acyclic compounds:

• Torsional strain

• Steric interaction

• Electrostatic forces of interaction

• Angle strain