Haloalkanes and Haloarenes Quiz

What is the general formula for haloalkanes?

• CnH2n+1X

• CnH2nX

• CnH2n+2X

• CnH2n-1X

Which of the following haloalkanes is the most reactive towards nucleophilic substitution?

• CH3Cl

• CH3Br

• CH3I

• CH3F

Haloarenes are typically less reactive than haloalkanes due to:

• Electronegativity

• Resonance stabilization

• Steric hindrance

• Molecular weight

What is the main product when chlorobenzene undergoes nucleophilic substitution with sodium hydroxide at high temperature?

• Phenol

• Benzene

• Chlorobenzene oxide

• Aniline

Which of the following compounds is a secondary haloalkane?

• CH3CH2Br

• (CH3)2CHBr

• CH3Br

• CH3CCl3

The order of reactivity of haloalkanes in nucleophilic substitution reactions is:

• RI > RBr > RCl > RF

• RCl > RBr > RI > RF

• RF > RCl > RBr > RI

• RBr > RI > RCl > RF

Which of the following statements about haloarenes is correct?

• They are easily hydrolyzed in water.

• They undergo electrophilic substitution more easily than haloalkanes.

• They cannot undergo nucleophilic substitution reactions.

• They are more reactive than alkyl halides.

What is the main driving force for the nucleophilic substitution reaction of haloalkanes?

• Polarization of the C-X bond

• Formation of a stable carbocation

• Release of a leaving group

• Formation of a double bond

Which of the following is a feature of the Sn1 reaction mechanism?

• It involves a single step.

• It is favored by polar aprotic solvents.

• It forms a carbocation intermediate.

• It occurs with primary haloalkanes only.

Which reagent is commonly used to convert haloalkanes into alcohols?

• NaBH4

• H2O

• KOH (aq)

• NaOH (dry)