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practice testMultiple Choice

Practice Test

Question 1 • Chemistry

Which states the difference between an alcohol and an ether?

Answer
A
In an ether, a carbon atom is single bonded to a hydroxide group open paren OH raised to the negative power close paren ; in an alcohol, an oxygen atom is single bonded to two carbon atoms.
B
In an alcohol, a carbon atom is double bonded to an oxygen atom; in an ether, a carbon atom is triple bonded to another carbon atom.
C
In an alcohol, a carbon atom is single bonded to a hydroxide group open paren OH raised to the negative power close paren ; in an ether, an oxygen atom is single bonded to two carbon atoms.
D
In an ether, a carbon atom is double bonded to an oxygen atom; in an alcohol, a carbon atom is triple bonded to another carbon atom.

Explanation

An alcohol has a carbon atom bonded to a hydroxyl group, written –OH. An ether has an oxygen atom single-bonded to two carbon atoms, written R–O–R′. Choice D gives these structures in the correct order; choice A reverses them.

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