Assign an oxidation number to each element in the reaction. co(g) + 2h2(g) → ch3oh(g) in co, the oxidation number of c is _, and that of o is _. in h2, the oxidation number of h is _. in ch3oh, the oxidation number of c is _, that of o is _, and that of h is _.

Oxidation number or oxidation state denotes the number of electrons lost or gained by an atom when it forms a chemical bond with another atom.

In general:

-the oxidation number for a free element is zero

- the oxidation number for H = +1 when attached to non-metal and -1 when attached to a metal

-The oxidation number for O is -2 most of the time

- for a neutral molecule, the sum of the oxidation number = 0

The given reaction is:

CO + 2H2 → CH3OH

1) In CO, the oxidation number of C = +2 and O = -2

2) In H2, the oxidation number of H = 0

3) In CH3OH, the oxidation number of C = +1, H = +1 and O = -2

In CH3OH - C has an oxidation number of -3, the oxidation number of O is -2 while the oxidation number of H is +1.

The oxidation number of an atom in a compound is a charge that it appears to have as determined by some arbitrarily rules. The oxidation state of each atom in the compound are;

In CH3OH - C has an oxidation number of -3, the oxidation number of O is -2 while the oxidation number of H is +1.

Hence, the oxidation number of atoms in a compound are determined by some arbitrary rules.

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The answer is B. decrease the quantity demanded of gasoline, other things constant.

Explanation:

Demand is the amount of some good or service that consumers are willing and able to buy at each price.

The law of demand explains the behavior of consumer choice when the price changes and establishes that when other factors (like prices of related goods or services or tastes or preferences of consumers) are constant, the demand for price and the quantity of a good or service is inversely related to each other. This means that when the price of a product increases, the demand for the same product will fall.

According to this law an increase in the price of gasoline will decrease the quantity demanded of gasoline, other things constant.