Which term describes this reaction? ch3br(aq) + oh-(aq) -> ch3oh(aq) + br-(aq) a. addition b. condensation c. elimination d. substitution

Answer is: D. substitution.

Substitution reaction or single displacement reaction is a chemical reaction in which one functional group in a chemical compound is replaced by another functional group.

Balanced chemical reaction: CH₃Br(aq) + OH⁻(aq) → CH₃OH(aq) + Br⁻(aq).

In this balanced chemical reaction hydroxy group OH⁻ replaced one atom of bromine (Br⁻) in methyl bromide (CH₃Br).

Answer : The correct option is, (D) Substitution reaction.

Explanation :

Addition reaction : It is a type of reaction in which a molecule combined with the another molecule to give a new larger molecule.

The general representation of this reaction is,

Condensation reaction : It is a type of reaction in which two molecules combine to form a larger molecule and also producing a smaller molecule such as water.

Elimination reaction : It is a type of reaction in which the loss of elements  from the starting material to form a double bond in the product.

The general representation of this reaction is,

Substitution reaction : It is a type of reaction in which one functional group is replaced by the another functional group.

The general representation of this reaction is,

(B and C are the two different functional groups)

In the given reaction, Br (functional group) is replaced by the hydroxide ion (functional group). So, this reaction is a substitution reaction.

Hence, the given reaction is a substitution reaction.

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