Solutions and Reactions Part 2 Test Review

Front

What are Roman numerals used for in chemical nomenclature?

Back

Roman numerals indicate the oxidation state of a metal in a compound, particularly for transition metals.

Front

What is a solvent?

Back

A solvent is the substance in which a solute is dissolved to form a solution.

Front

How do you name the ionic compound Cr(NO2)3?

Back

The name is chromium III nitrite.

Front

What is the oxidation number of nitrogen in NO2-?

Back

The oxidation number of nitrogen in NO2- is +3.

Front

Why does nitrogen in NO2- have an oxidation number of +3?

Back

Nitrogen has an oxidation number of +3 because it lost 3 electrons to achieve a full sublevel.

Front

What is the charge on an aluminum ion?

Back

+3.

Front

What is the significance of oxidation numbers in chemical reactions?

Back

Oxidation numbers help track the transfer of electrons in redox reactions.

Front

What is the difference between a solute and a solvent?

Back

A solute is the substance that is dissolved, while a solvent is the substance that does the dissolving.

Front

What is the formula for calculating the oxidation state of an element in a compound?

Back

The oxidation state can be calculated based on the known oxidation states of other elements in the compound.

Front

What is the role of transition metals in ionic compounds?

Back

Transition metals can have multiple oxidation states, which is why Roman numerals are used in their naming.