UNIT-II-POC-I

What type of hybridization is present in alkanes?

• sp

• sp²

• sp³

• dsp²

The general formula of alkanes is:

• CnH2n+2

• CnH2n

• CnH2n-2

• CnH2n+1

Halogenation of alkanes proceeds via which mechanism?

• Electrophilic addition

• Free radical substitution

• Nucleophilic substitution

• Elimination

Which of the following is a common use of paraffins?

• Fertilizer

• Antiseptic

• Fuel

• Pesticide

Which hybridization is shown by carbon atoms in alkenes?

• sp

• sp³

• sp²

• sp² and sp³

Alkenes are more stable when:

• They are less substituted

• They are terminal

• They are more substituted

• They are cyclic

In E1 reaction, which of the following is the rate-determining step?

• Loss of leaving group

• Proton abstraction

• Carbocation rearrangement

• Nucleophilic attack

Saytzeff's rule predicts:

• Formation of primary carbocation

• Most substituted alkene as major product

• Least substituted alkene as major product

• Racemic product formation

What type of reaction is ozonolysis?

• Oxidation

• Reduction

• Hydrolysis

• Isomerization

Which intermediate is involved in the E1 elimination?

• Free radical

• Carbocation

• Carbanion

• Carbene