Questions from General Chemistry

Q: Benzene is the parent member of the group of hydrocarbons called hydrocarbons

Benzene is the parent member of the group of hydrocarbons called hydrocarbons.

Q: An atom or group of atoms that imparts new and characteristic properties

An atom or group of atoms that imparts new and characteristic properties to an organic molecule is called a(n) group.

Q: A(n) alcohol is one in which there is only

A(n) alcohol is one in which there is only one hydrocarbon group attached to the carbon atom holding the hydroxyl group.

Q: The simplest alcohol, methanol, is prepared industrially by the hydrogenation

The simplest alcohol, methanol, is prepared industrially by the hydrogenation of .

Q: Ethanol is commonly prepared by the of certain sugars by yeast.

Ethanol is commonly prepared by the of certain sugars by yeast.

Q: Both aldehydes and ketones contain the group, but they differ in

Both aldehydes and ketones contain the group, but they differ in where this group occurs along the hydrocarbon chain.

Q: Aldehydes and ketones can be prepared by of the corresponding alcohol.

Aldehydes and ketones can be prepared by of the corresponding alcohol.

Q: What is a positron? What are the mass number and charge

What is a positron? What are the mass number and charge of a positron? How do the mass number and atomic number of a nucleus change when the nucleus produces a positron?

Q: What is the “general” formula for an alkane? Show

What is the “general” formula for an alkane? Show how this general formula can be used to determine the number of hydrogens that would be present for an alkane with 20 carbon atoms.

Q: Which of the following is not an organic molecule? a

Which of the following is not an organic molecule? a. methanol b. acetone c. acetic acid d. magnesium sulfate e. All of the above are organic molecules.