General Chemistry II Exam Questions and Answers (Latest 2026).

General Chemistry II Exam Questions
and Answers (Latest 2026)
According to the like-dissolves-like principle, which of the
following mixtures would likely form a solution?


(a)hexane and water
(b)heptane and methanol
(c)methanol and cyclohexane
(d)water and 2-propanol
(e)water and carbon tetrachloride - Correct Answers
✅(d)water and 2-propanol


What is the strongest intermolecular force between pentane
and ethanol?
(a)dispersion forces
(b)dipole-dipole forces
(c)dipole-induced dipole forces
(d)ionic bonds
(e)hydrogen bonds - Correct Answers ✅(c)dipole-induced
dipole forces


A colloidal dispersion can be recognized by its tendency to
_______________.
(a)dissociate into ions
(b)scatter or diffract light
(c)raise the boiling point of the solvent

,General Chemistry II Exam Questions
and Answers (Latest 2026)
(d)gradually crystallize
(e)There are no spectator ions - Correct Answers
✅(b)scatter or diffract light


A saturated aqueous solution of K2SO4was allowed to sit in
an unsealed container for 24 hours. Five percent of the water
evaporated from the solution, but no K2SO4precipitated. The
solution is _______________.(a)unsaturated
(b)supersaturated
(c)dissociated
(d)dehydrated
(e)recrystallized - Correct Answers ✅(b)supersaturated


Which of the following solutions has the lowest freezing
point?
(a)0.50 M FeCl3
(b)0.6 M NaCl
(c)0.75 M glucose (C6H12O6)
(d)1.00 M ethylene glycol (C2H6O2)
(e)0.40 M Na3PO4 - Correct Answers ✅(a)0.50 M FeCl3


For a reaction which is second-order with respect to CO2,
increasing the CO2concentration by a factor of 4
_______________.
(a)has no effect on the reaction rate

,General Chemistry II Exam Questions
and Answers (Latest 2026)
(b)increases the reaction rate by a factor of 4
(c)increases the reaction rate by a factor of 8
(d)increases the reaction rate by a factor of 16
(e)increases the reaction rate by a factor of 32 - Correct
Answers ✅(d)increases the reaction rate by a factor of 16


When temperature increases during a chemical reaction,
_______________.
(a)the rate constant increases and the reaction rate increases
(b)the rate constant remains the same and the reaction rate
increases
(c)the rate constant decreases and the reaction rate
increases
(d)the rate constant increases and the reaction rate stays the
same
(e)both the rate constant and reaction rate stays the same -
Correct Answers ✅(a)the rate constant increases and the
reaction rate increases


In a reaction that proceeds via a two-step mechanism, a
steady-state equilibrium generally occurs when
_______________.
(a)the first step is the rate-determining step
(b)the second step has a higher activation energy than the
first step

, General Chemistry II Exam Questions
and Answers (Latest 2026)
(c)the first step and second step have the same rate
(d)the first step and the second step have the same
activation barrier
(e)the first step is irreversible - Correct Answers ✅(b)the
second step has a higher activation energy than the first step


A substance is present in the same concentration before and
after a chemical reaction, but its concentration decreases
during the reaction. The substance is _______________.
(a)an activated complex
(b)a transition state
(c)an intermediate
(d)a catalyst
(e)an elementary step - Correct Answers ✅(d)a catalyst


Enzymes are _______________.
(a)catalysts
(b)proteins
(c)found in living things
(d)composed of amino acids
(e)all of the above - Correct Answers ✅(e)all of the above


When a chemical system is at equilibrium, _______________.