CHEM120 FINAL EXAM VERSION 3 VERIFIED PRACTICE PAPER 2026 QUESTIONS WITH ANSWERS 100% CORRECT GRADED A+

CHEM120 FINAL EXAM VERSION 3
VERIFIED PRACTICE PAPER 2026
QUESTIONS WITH ANSWERS 100%
CORRECT GRADED A+

⩥ What does GER stand for in redox chemistry? Answer: Gaining of
Electrons is Reduction.


⩥ Is Fe2+ oxidized or reduced to Fe0? Answer: Fe is reduced.


⩥ Is O2- oxidized or reduced to O0? Answer: O is oxidized.


⩥ Is Cu+1 oxidized or reduced to Cu2+? Answer: Cu is oxidized.


⩥ What is an oxidizing agent? Answer: Contains the species being
reduced and oxidizes another species by accepting electrons.


⩥ What is a reducing agent? Answer: Contains the species being
oxidized and reduces another species by donating electrons.


⩥ What is the oxidizing agent in the reaction Cu2+ + Zn0 → Cu0 +
Zn2+? Answer: Cu2+ is the oxidizing agent.

, ⩥ What is the reducing agent in the reaction V4+ + Cu+ → Cu+5 + V0?
Answer: Cu+ is the reducing agent.


⩥ What are the oxidation numbers in the reaction 2 H2 + O2 → 2 H2O?
Answer: H is +1 and O is -2.


⩥ What is the reducing agent in the reaction 2 H2 + O2 → 2 H2O?
Answer: H2 is the reducing agent.


⩥ What is the oxidizing agent in the reaction V + O2 → VO2? Answer:
O2 is the oxidizing agent.


⩥ What is an organic compound? Answer: A compound based on and
containing carbon atoms.


⩥ What is the golden rule of organic chemistry? Answer: Carbon makes
4 bonds.


⩥ What is a hydrocarbon? Answer: A compound that contains only
hydrogen and carbon atoms.


⩥ What are alkanes? Answer: Hydrocarbons that contain only single C-
C bonds.