Chem 102 - General Chemistry II » Summer 2021 » Quiz 2

Need help with your exam preparation?

Existing Quiz Clients Login here
Question #1
In the Arrhenius concept, what substance, when dissolved in water, increases the concentration of the hydronium-ion?
A.   Acid
B.   Catalyst
Question #2
Experimentally, it is found that all neutralizations involving strong acids and strong base have the same ΔH° (-55.90 kJ/mole of hydronium-ion), which indicates that the same reaction occurs in each neutralization.
A.   FALSE
B.   TRUE
Question #3
In the Bronsted-Lowry concept, how is an acid defined?
A.   Substance that accepts an electron pair
B.   Substance that donates protons
C.   Substance that accepts protons
Question #4
In the Lewis concept, how is a base defined?
A.   Substance that accepts an electron pair
B.   Substance that donates protons
C.   Substance that donates an electron pair
Question #5
What is an amphiprotic species?
A.   Substance that accepts protons and Substance that behaves as an acid or a base
B.   Substance that donates protons, substance that accepts protons, and substance that behaves as an acid or a base
C.   Substance that donates protons
D.   Substance that behaves as an acid or a base
Question #6
What is the conjugate-acid to HSO4–? 
A.   H2SO4
B.   H4SO4
Question #7
Which are conjugate-pairs?
A.   H2O and H3O+ & H2O and OH–
B.   HClO4 and BrO4–
C.   H2O and H3O+ , H2O and OH–, & HClO4 and BrO4–
Question #8
Consider the reaction: H2S + CN– <===> HS– + HCN. If H2S is a stronger acid than HCN, which direction do you predict the reaction to go? 
A.   Neither direction
B.   Reactions moves in the forward direction
C.   There is not enough information to predict
D.   Reaction moves in the reverse direction

Need help with your exam preparation?

Existing Quiz Clients Login here