Exam (elaborations)
StraighterLine Exam 2 (Chpt. 4-6) Exam with complete solution verified 100% correct.
- Module
- Chemistry 101
- Institution
- Chemistry 101
StraighterLine Exam 2 (Chpt. 4-6) Exam with complete solution verified 100% correct.
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StraighterLine Exam 2 (Chpt. 4-6) Exam withcomplete solution verified 100% correct
Which of the following is soluble in water?
a. AgCl
b. Rb2CrO4
c. Hg2I2
d. CaSO4
e. PbBr2 - Correct Answer - b. Rb2CrO4
Based on the solubility rules, which of these processes will occur if solutions of CuSO4(aq) and BaCl2(aq)
are mixed?
Select one:
a. CuCl2 will precipitate; Ba2+ and SO42- are spectator ions.
b. CuSO4 will precipitate; Ba2+ and Cl- are spectator ions.
c. BaSO4 will precipitate; Cu2+ and Cl- are spectator ions.
d. BaCl2 will precipitate; Cu2+ and SO42- are spectator ions.
e. No precipitate will form. - Correct Answer - c. BaSO4 will precipitate; Cu2+ and Cl- are spectator ions.
Which is the net ionic equation for the reaction between aqueous solutions of lithium hydroxide and
hydrobromic acid?LiOH(aq) + HBr(aq) → H2O(l) + LiBr(aq)
, Select one:
a. LiOH(aq) → Li+(aq) + OH-(aq)
b. HBr(aq) → H+(aq) + Br-(aq)
c. H+(aq) + OH-(aq) → H2O(l)
d. Li+(aq) + Br-(aq) → LiBr(aq)
e. Li+(aq) + OH-(aq)+ H+(aq) + Br-(aq) → H2O(l) + LiBr(aq) - Correct Answer - c. H+(aq) + OH-(aq) →
H2O(l)
Which salt is formed in the neutralization reaction of hydrochloric acid with calcium hydroxide?
Select one:
a. CaO
b. CaCl
c. CaH2
d. CaCl2
e. NaCl - Correct Answer - d. CaCl2
Based on the solubility rules, which one of these compounds is insoluble in water?
Select one:
a. NaCl
b. MgBr2
c. FeCl2
d. AgBr
e. ZnCl2 - Correct Answer - d. AgBr
What is the oxidizing agent in the following reaction?5Fe2+(aq) + MnO4-(aq) + 8H+(aq) → 5Fe3+(aq) +
Mn2+(aq) + 4H2O(l)
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