Chemistry : Organic Chemistry – Some Basic Principles and Techniques

Which of the following does not show optical isomerisation?

• [Pt(NH₃)₂Cl₂]

• [Co(ox)₃]^3-

• [Co(en)₃]³⁺

• [Cr(diph)₃]³⁺

Which of the following compounds exhibits optical isomerism?

• CH₃CH₂COOH

• CH₃CHOHCOOH

• CH₃CH₂CH₂OH

• CH₃CHOHCH₃

The number of possible isomers for compound C₂H₃Cl₂Br is

• 2

• 3

• 4

• 6

Gasoline is obtained from crude petroleum oil by its

• fractional distillation

• vacuum distillation

• steam distillation

• pyrolysis

Which of the following compounds does not show optical isomerism?

• CH₃CH(OH)Br

• CH₃CH(OH)CH₃

• ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{CHBrCH}{<}_{{\mathrm{CH}}_3}^{{\mathrm{CH}}_3}$

• CH₃-CHOH-CHBr-CH₂OH

A mixture containing Cu²⁺ and Ni²⁺ can be separated for identification by

• passing H₂S in acid medium

• passing H₂S in alkaline medium

• passing H₂S in neutral medium

• passing H₂S in dry mixture

The indicator used in the titration of acetic acid with sodium hydroxide for quantitative estimation is

• phenolphthalein

• methyl orange

• methyl red

• a mixture of methyl red and methyl orange

The IUPAC, name of the compound

• 2-ethyl-3-methyl butane

• 2, 3-dimethyl pentane

• 2-methyl-3-ethyl butane

• 3,4-dimethyl pentane

[Pt(NH₃)₄Cl₂]Br₂ and [Pt(NH₃)₄Br₂]Cl₂ are related to each other as

• optical isomers

• coordinate isomers

• ionisation isomers

• linkage isomers

Which one of the following substances is used as an anti-knock compound?

• Tetra ethyl lead

• Lead tetrachloride

• Lead acetate

• Ethyl acetate