HALOGENOALKANES

Which one of the following will undergo nucleophilic substitution with sodium hydroxide (aq)?

• ethene

• ethane

• bromoethane

• cyclopentane

what is the nucleophile for the reaction with silver nitrate solution and bromomethane when heated under refux?

• water molecules

• hydroxide ion

• silver ion

• nitrate ion

which of the reaction is faster?

• nucleophilic substitution of bromomethane with sodium hydroxide (aq)

• hydrolysis of bromomethane with silver nitrate solution

is the reaction of nucleophilic substitution of bromomethane by sodium hydroxide aq a hydrolysis reaction?

• yes

• no

• can be both

what is a nucleophile?

• a species that has lone pair of electron

• negatively charged ion

• positively charged ion

• a species that has one unpaired electron

how can nucleophiles be formed?

• homolytic fission

• heterolytic fission

which of the following is the condition for the reaction of bromomethane and potassium cyanide?

• ethanolic condition

• heated under reflux

• both ethanolic and heated under reflux

what is the mechanism of the reaction when sodium hydroxide in ethanolic condition reacts with cloroethane under reflux?

• nucleophilic substitution

• electrophilic addition

• free radical substitution

• elimination

which of the following is not the condition for the reaction between ammonia and chloromethane for nucleophilic substitution?

• aqueous ammonia

• ethanolic ammonia

• excess ammonia

• heated under reflux

which halogenoalkane will undergo SN1 mechanism?

• primary

• secondary

• tertiary