Review on Organic Reactions

Select the item which does not belong to the group.

• electrophilic polar reaction

• pericyclic

• free-radical

• addition

As the C-X bond strength decreases, bond length _________.

• decreases

• increases

• remains the same

Alkanes react with Cl₂ or Br₂ through what type of reaction/mechanism?

• addition

• substitution

• free-radical

• elimination

NBS under UV conditions react the fastest with:

• vinylic alkenes

• allylic alkenes

• primary radicals

• tertiary radicals

Alcohols react with thionyl chloride to produce alkyl halides in a ________ reaction.

• free-radical

• addition

• substitution

• elimination