Question

Identify electron withdrawing group from following when attached to π - bond.

Options

• \[\ce{- COOH}\]

• \[\ce{- OR}\]

• \[\ce{- Cl}\]

• \[\ce{- OH}\]

Answer 1

\[\ce{- COOH}\]

Explanation:

An electron withdrawing group (EWG) is a group that reduces electron density in a molecule through the carbon atom it is bonded to. Here \[\ce{- COOH}\] is one such example of an electron withdrawing group.