CHEM 121 EXAM 2 UNR MONROE EXAM
WITH CORRECT QUESTIONS AND
ANSWERS 2025
Strong Acids - CORRECT-ANSWERSHydrochloride acid- HCl
Hydrobromic acid- HBr
Hydroiodic acid- HI
Chloride acid- HClO3
Perchloric acid- HClO4
Nitric acid- HNO3
Sulfuric acid- H2SO4
Strong Bases - CORRECT-ANSWERSGroup 1A metal hydroxides
-LiOH, NaOH, KOH, RbOH, CsOH
Group 2A metal hydroxides
-Ca(OH)2, Sr(OH)2, Ba(OH)2
Strong Electrolytes - CORRECT-ANSWERS-all ionic compounds
-strong acids
Weak Electrolytes - CORRECT-ANSWERS-weak acids, weak bases
Non electrolytes - CORRECT-ANSWERSAll other compounds
Oil Rig - CORRECT-ANSWERSoxidation is loss, reduction is gain
Oxidation Number Rules - CORRECT-ANSWERS1. For an atom in its elemental
form, oxidation number is 0.
2. For any monatomic ion, oxidation number equals ionic charge.
WITH CORRECT QUESTIONS AND
ANSWERS 2025
Strong Acids - CORRECT-ANSWERSHydrochloride acid- HCl
Hydrobromic acid- HBr
Hydroiodic acid- HI
Chloride acid- HClO3
Perchloric acid- HClO4
Nitric acid- HNO3
Sulfuric acid- H2SO4
Strong Bases - CORRECT-ANSWERSGroup 1A metal hydroxides
-LiOH, NaOH, KOH, RbOH, CsOH
Group 2A metal hydroxides
-Ca(OH)2, Sr(OH)2, Ba(OH)2
Strong Electrolytes - CORRECT-ANSWERS-all ionic compounds
-strong acids
Weak Electrolytes - CORRECT-ANSWERS-weak acids, weak bases
Non electrolytes - CORRECT-ANSWERSAll other compounds
Oil Rig - CORRECT-ANSWERSoxidation is loss, reduction is gain
Oxidation Number Rules - CORRECT-ANSWERS1. For an atom in its elemental
form, oxidation number is 0.
2. For any monatomic ion, oxidation number equals ionic charge.