Barrons SAT Subject Test Chemistry, 13th Edition

(C) Acid–Base

(D) Combustion

(E) Synthesis

1. The reaction type that can be viewed as redox often involving

hydrocarbon fuels and oxygen releasing heat and light

2. The reaction type that can be viewed as redox involving an element and a

compound becoming a new element and a new compound

3. The reaction type that does not generally involve the transfer of electrons

and is not viewed as a redox reaction

4. The reaction type that could possibly be viewed as a redox reaction in

which only one substance is present in the reactants

Questions 5–9

Use the following choices to indicate the oxidation state of the underlined symbol
in the given formulas

(A) +1

(B) +2

(C) +4

(D) +5

(E) +6

5. Na 2 SO 3

6. PO 4 3−

7. CaCO 3

8. SO 2

9. K 2 CrO 4

10. Which of the following is true?

(A) Fluorine is assigned the oxidation state of +1 in all compounds.

(B) In the formula of a compound, the algebraic sum of the oxidation

states is never zero.

(C) Oxygen’s oxidation state in most compounds is −1.

(D) Oxygen can have an oxidation state of −1.

(E) Fluorine can have an oxidation state of −2.

11. Reducing agents are substances that