Chemistry : Organic Chemistry – Some Basic Principles and Techniques

The IUPAC name of (CH₃)₃C- CH = CH₂ is

• 2,2-dimethylbut-3-ene

• 2, 2-dimethyl pent-3-ene

• 3,3-dimethylbut-1-ene

• hex-1-ene

Isomers which can be interconverted through rotation about C- C single bond are

• diastereomers

• enantiomers

• conformers

• chain isomers

Which one of the following compounds shows cis-trans isomerism?

• Pent-1-ene

• But-2-ene

• But-1-ene

• Propene

Among the following, the ambident nucleophile is

• iodide

• alkoxy

• hydroxyl

• cyanide

Out of the following isomeric alcohols containing five carbon atoms, the alcohol that exhibits optical isomerism is

• 1-pentanol

• 2-pentanol

• 3-pentanol

• 2-methyl-2-butanol

The IUPAC name of the complex [Co(NH₃)₂(H₂O)₄]Cl₃ is

• diaminetetraaquacobalt (III) trichlodde

• diaminetetraaquacobalt (II) chloride

• diaminetetraaquacobalt (III) chloride

• tetraaquadiaminecobalt (III) trichloride

How many monochloro structural isomers are expected in free radical monochlorination of 2-methylbutane?

• 3

• 4

• 5

• 6

While assigning R, S configuration, the correct order of priority of groups attached to chiral carbon atom is

• CONH₂ > COCH₃ > CH₂OH > CHO

• CONH₂ > COCH₃ > CHO > CH₂OH

• COCH₃ > CH₂OH > CHO > CH₂OH

• CHO > CH₂OH > COCH₃ > CONH₂

The correct IUPAC name of the following compound is

• 4-bromo-3-methylpent-2-ene

• 2-bromo-3-methylpent-4-ene

• 3-methyl- 4-bromopent-2-ene

• 3-methyl-2-bromopent-4-ene

Which one among the following cannot exhibit enantiomerism?

• Diphenyl methanol

• 1-bromo-2-chlorobutane

• 2-butanol

• Tartaric acid