Cracking the SAT Chemistry Subject Test

DRILL 1

Question Type A

Questions   1–4 refer   to  the following.

(A) Al3+    +   3e− →   Al(s)

(B) Na(s)   →   Na+ +   e−

(C) Cu2+    +   Mg(s)   →   Cu(s)   +   Mg2+

(D) CH 4 (g)    +   2O 2 (g)    →   CO 2 (g)    +   2H 2 O(l)

(E) Ag+ +   Cl− →   AgCl(s)

1. An example of a reduction half-reaction


2. Is not a redox reaction


3. Does not contain any atoms with an oxidation state of 0


4. Exactly two moles of electrons transfer during the reaction

Question Type B

101.