Types of reactions 1003

What type of reaction is presented?

• elimination reaction

• addition reaction

• substitution eaction

• oxidation reaction

What is the main feature of a nucleophilic substitution reaction?

• Involves a nucleophile attacking an electrophile

• Involves a strong acid

• Involves the loss of a leaving group

• Involves the formation of a radical

Which of the following compounds CAN NOT be involved in addition reaction?

• alkenes

• alkanes

• alkynes

• alkadienes

Which of the following is a characteristic of an elimination reaction?

• Involves a catalyst

• Involves a nucleophile

• Formation of a double bond

• Formation of a stable ion

Carbocations, carbanions and free radicals are static factors of determining chemical reactivity

• true

• false

Which of the following best describes a characteristic of addition reactions?

• They result in the formation of a polymer

• They require a catalyst

• They involve the breaking of double bonds

• They always produce a gas

In a nucleophilic substitution reaction, what role does the leaving group play?

• It forms a new bond with the nucleophile

• It stabilizes the transition state

• It acts as a nucleophile

• It is replaced by the nucleophile

which type of the reaction is presented

• inversion reaction

• substitution reaction

• elimination reaction

• addition reaction

Which of the following statements is true regarding electrophiles?

• They are electron-rich species

• They can accept electron pairs

• They are always negatively charged

• They do not participate in chemical reactions

Name the type of the reaction

• Substitution

• Elimination

• Addition

• Dehydration