MASTERCHEMPRO: INTRODUCTION TO ORGANIC CHEMISTRY

Which among the following is not a class of organic compound?

• Carbonyl compound

• Nitro compound

• Amides

• Electro compounds

Chlorination of alkanes is an example of

• Elimination reaction

• Free radical substitution reaction

• Nucleophilic substitution reaction

• Electrophilic addition reaction

Choose the incorrect option regarding isomerism:

• They differ in both physical and chemical properties

• They have different molecular formula

• There are two types of isomerism : Structural and Stereoisomerism

• Geometric and optical isomerism are two types of stereoisomerism

Which of the following cannot react as a nucleophile?

• CH₃NH_2

• (CH₃)_2NH

• (CH₃)₃N

• (CH₃)₄N+

Isomerism that arises out of the difference in spatial arrangement of atoms or groups about the doubly bonded carbon atoms are called?

• Structural Isomerism

• Stereoisomerism

• Geometrical Isomerism

• Optical Isomerism

Which among the following does not exhibit geometric isomerism?

• 1-hexene

• 2-hexene

• 3-hexene

• 4-hexene

The molecular formula C₅H₁₂ contains how many isomeric alkanes?

• 1

• 2

• 3

• 4

Which of the following is NOT true about nucleophiles?

• donates an electron pair to an electrophile to form a chemical bond

• all molecules or ions with a free pair of electrons or at least one pi bond can act as nucleophiles

• nucleophile are Lewis acids by definition

• a nucleophile becomes attracted to a full or partial positive charge

Which of the following statement is INCORRECT about electrophiles?

• Electrophiles are positively charged or neutral species having vacant orbitals

• The electrophiles are attacked by the most electron-populated part of one nucleophile

• Electrophiles are Lewis base

General formula for amines is

• R-CH₂

• R₂CH

• R-NH₂

• R-COOH