What Is a Feature Found in All Ortho-Para Directing Groups

question 119

Multiple Choice

What is a feature found in all ortho-para directing groups?

• A) An oxygen atom is directly attached to the aromatic ring.
• B) The atom attached to the aromatic ring possesses an unshared pair of electrons.
• C) The group has the ability to delocalize the positive charge of the arenium ion.
• D) The atom directly attached to the aromatic ring is more electronegative than carbon.
• E) The group contains a multiple bond.

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Definitions:

Kyphosis

An excessive outward curvature of the spine, leading to a hunched back appearance.

Barrel Chest

A chest shape characterized by an increased front-to-back diameter and a rounded appearance, often seen in chronic obstructive pulmonary disease (COPD).

Atelectasis

The collapse of part or all of a lung, preventing the respiratory exchange of carbon dioxide and oxygen.

Percussing

The act of tapping on a surface, often the body in a medical context, to diagnose the condition of the underlying tissue or organ based on the sound produced.