Chemistry > 2007 > 21
JAMB UTME
Na2S2O3(aq) + 2HCl(aq) → 2NaCl(aq)+ H2O(l)+ SO2(g) + S(S)
Which of the following would introduce the greatest increase in the rate of the chemical reaction above?
Which of the following would introduce the greatest increase in the rate of the chemical reaction above?
A.
An increase in temperature and an increase in the concentration of the reactants.
B.
A decrease in volume and an increase in the pressure of the reactants.
C.
An increase in temperature and a decrease in the concentration of the reactants.
D.
A decrease in temperature and an increase in the concentration of the reactants.
Answer: A
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