Types of Organic Reactions

Which of the following is a type of organic reaction where a molecule is split into two or more smaller molecules?

• Addition reaction

• Elimination reaction

• Substitution reaction

• Hydrolysis reaction

In an addition reaction, what happens to the number of sigma bonds in the reactants and products?

• Increases

• Decreases

• Remains the same

• Varies

Which type of organic reaction involves the replacement of an atom or group of atoms in a molecule with a different atom or group?

• Addition reaction

• Substitution reaction

• Elimination reaction

• Rearrangement reaction

What is the main characteristic of an elimination reaction?

• Formation of a single product

• Breaking of a single bond

• Formation of a double bond

• Exchange of functional groups

Which of the following reactions is an example of a rearrangement reaction?

• @@ ext{CH}_3 ext{CH}_2 ext{OH} ightarrow ext{CH}_3 ext{CHO}@@

• @@ ext{CH}_3 ext{CH}_2 ext{Br} + ext{OH}^- ightarrow ext{CH}_3 ext{CH}_2 ext{OH} + ext{Br}^-@@

• @@ ext{CH}_3 ext{CH}_2 ext{OH} + ext{HCl} ightarrow ext{CH}_3 ext{CH}_2 ext{Cl} + ext{H}_2 ext{O}@@

• @@ ext{CH}_3 ext{CH}_3 ightarrow ext{CH}_2= ext{CH}_2 + ext{H}_2@@

Which type of reaction is typically involved in the polymerization process?

• Addition reaction

• Substitution reaction

• Elimination reaction

• Rearrangement reaction

In a substitution reaction, what is the role of a nucleophile?

• To donate a pair of electrons

• To accept a pair of electrons

• To form a new bond

• To break an existing bond

Which of the following is a characteristic of a radical reaction?

• Involves ions

• Involves free radicals

• Involves nucleophiles

• Involves electrophiles

What is the main difference between a nucleophilic and an electrophilic substitution reaction?

• The type of solvent used

• The type of catalyst used

• The attacking species

• The leaving group

Which of the following reactions is an example of an addition reaction?

• @@ ext{CH}_2= ext{CH}_2 + ext{H}_2 ightarrow ext{CH}_3 ext{CH}_3@@

• @@ ext{CH}_3 ext{CH}_2 ext{OH} ightarrow ext{CH}_3 ext{CHO}@@

• @@ ext{CH}_3 ext{CH}_2 ext{Br} + ext{OH}^- ightarrow ext{CH}_3 ext{CH}_2 ext{OH} + ext{Br}^-@@

• @@ ext{CH}_3 ext{CH}_3 ightarrow ext{CH}_2= ext{CH}_2 + ext{H}_2@@