Barrons SAT Subject Test Chemistry, 13th Edition

53. In general, when metal oxides react with water, they form solutions that are

(A) acidic

(B) basic

(C) neutral

(D) unstable

(E) colored

Questions 54–56 refer to the following spontaneous reactions:

Zn(s) + SnCl 2 (aq) → Sn(s) + ZnCl 2 (aq)

and

Sn(s) + CuCl 2 (aq) → Cu(s) + SnCl 2 (aq)

54. The significant driving force associated with both of these reactions is

(A) the transfer of electrons

(B) the transfer of protons

(C) the transfer of mass

(D) the transfer of ions

(E) the transfer of atoms

55. The most active of the metals shown is

(A) Sn

(B) Cu

(C) Zn

(D) Cl

(E) ZnCl 2

56. Substances acting as oxidizing agents include

(A) tin(II) chloride

(B) tin

(C) zinc chloride

(D) both tin and copper(II) chloride

(E) both zinc chloride and copper(II) chloride

57. How many liters of oxygen (STP) can be prepared from the decomposition of
    212 grams of sodium chlorate (1 mol = 106 g)?
    (A) 11.2
    (B) 22.4
    (C) 44.8
    (D) 67.2