How Many Square Kilometers Are Equivalent to 28

question 118

Multiple Choice

How many square kilometers are equivalent to 28.5 cm²

• A) 2.85 * 10^-9 km²
• B) 2.85 * 10^-6 km²
• C) 285 km²
• D) 2.85 * 10^-4 km²
• E) none of these

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Definitions:

Bromine Substituent

Refers to a bromine atom attached to the carbon skeleton of an organic molecule, affecting its reactivity and properties.

Deactivator

A chemical compound or group that decreases the reactivity of an atom or a formation within a molecule, often used in reference to aromatic substitution reactions.

O,p-director

A term describing substituents on an aromatic ring that direct incoming substituents to the ortho and para positions in electrophilic aromatic substitution reactions.

Strongest Activating Group

A substituent that increases the reactivity of an aromatic ring toward electrophilic aromatic substitution reactions the most.