CHEMISTRY 101 FINAL EXAM REVIEW QUESTIONS WITH CORRECT ANSWERS

CHEMISTRY 101 FINAL EXAM REVIEW QUESTIONS
WITH CORRECT ANSWERS

Molarity - CORRECT ANSWER -Moles of Solute/Liters of Solution



Moles of Solute - CORRECT ANSWER -Molarity x Volume of Solution



Volume of Solution - CORRECT ANSWER -Moles of Solute/Molarity



What is the oxidation number of chlorine in ClO3-?

a. -1

b. 0

c. -6

d. +5

e. none of the above - CORRECT ANSWER -d. +5



Which of the following is not a strong acid?

a. HCl

b. H2SO4

c. HF

d. HI - CORRECT ANSWER -c. HF



In which compound is the oxidation number of oxygen not -2?

a. Li2O

b. Al2O3

c. MgO

, d. Na2O2 - CORRECT ANSWER -d. Na2O2



Which of the following compounds is soluble in water?

a. Pb(ClO4)2

b. AgCl

c. BaSO4

d. Ca(OH)2 - CORRECT ANSWER -either a. Pb(ClO4)2 or d. Ca(OH)2 both answers are acceptable.



An oxidizing agent:

a. loses electrons

b. gains electrons - CORRECT ANSWER -b. gains electrons



The blue-violet end of the visible spectrum isBat approximately:

a. 700nm

b. 400nm - CORRECT ANSWER -b. 400nm



What are the oxidation numbers for each element in Na2SO4?

a. +1 for Na, +6 for S, and -2 for O

b. +2 for Na, +6 for S, and -8 for O

c. +1 for Na, +2 for S, and -2 for O

d. +2 for Na, +4 for S, and -2 for O - CORRECT ANSWER -a. +1 for Na, +6 for S, and -2 for O



What is the reducing agent in the following equation?

H2 + Br2 ---> 2HBr

a. H2

b. Br2