Use the Following to Answer the Questions Below

Multiple Choice

Use the following to answer the questions below:
In each of the following multiple-choice questions, characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices:
-Characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices: (1) The square brackets associated with a general equilibrium constant expression mean that concentrations must be expressed in terms of molarity.
(2) Pressure changes affect all chemical systems at equilibrium in which gaseous reactants or products are present.
(3) In the compound KMnO₄, the oxidation number of Mn is +3.

A) All three statements are true.
B) Two of the three statements are true.
C) Only one of the statements is true.
D) None of the statements is true.