Find the Exact Value of the Expression $\cot 120 ^ { \circ }$

question 98

Multiple Choice

Find the exact value of the expression.
- $\cot 120 ^ { \circ }$

• A) \(- \frac { \sqrt { 3 } } { 3 }\)
• B) \(- \sqrt { 3 }\)
• C) \(- 1\)
• D) \(\frac { \sqrt { 3 } } { 3 }\)

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Definitions:

Bond Dissociation Energy

The energy required to break a particular bond in a molecule to form neutral atoms, usually measured in kilojoules per mole (kJ/mol).

Carbon-chlorine Bond

A chemical bond between carbon and chlorine atoms, common in organic chemistry, particularly in the manufacture of solvents and pesticides.

Transition State

A high-energy, temporary state in a chemical reaction where reactants are converted into products.

Hydrogen Abstraction

A chemical reaction where a hydrogen atom is removed from a molecule by another atom or molecule.