What Term of the Arithmetic Sequence Is the Given Number

question 21

Multiple Choice

What term of the arithmetic sequence is the given number?
-3.42, 3.57, 3.72, . . . ;5.97

• A)17
• B)16
• C)15
• D)18

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Definitions:

Activating Group

A substituent attached to a benzene ring that increases its reactivity by stabilizing the intermediate cation through resonance or electron-donating effects.

Benzene

A cyclic hydrocarbon with the formula C6H6, characterized by its aromaticity, consisting of a ring of six carbon atoms with alternating double and single bonds.

Mononitration

The chemical process of introducing one nitro group (-NO2) to an organic molecule, commonly employed in the synthesis of nitro compounds.

Bromination

A chemical reaction involving the addition of bromine to another substance, often used to test for alkenes or alkanes.