The Postbox Rule Applies When Which of the Following Means

question 66

Multiple Choice

The postbox rule applies when which of the following means of communication is used?

• A) Telephone
• B) Fax
• C) Electronic mail
• D) Mail
• E) Messenger

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Definitions:

Friedel-Crafts Alkylation

A method in organic chemistry for adding alkyl groups to an aromatic ring, using a catalyst like aluminum chloride.

(CHS1U1B13S1U1B0)S1U1B13S1U1B0CCl

This appears to be a non-standard or incorrect representation of a chemical structure and does not correspond to a recognizable chemical or common notation. NO.

Least Rapidly

Describes the slowest rate or speed at which a process or reaction occurs.

Major Resonance Structures

The resonance structures that contribute more significantly to the hybrid of a molecule due to their lower energy and higher stability.