Which of the following factors will affect the rate of the reaction represented by the equation? 2HCI(aq) + CaCO 3(s) → CaCI2(aq) + H2O (I) + CO2(g) l. Pressure ll. Concentration III. Nature of reactants IV. Temperature
a
l and ll only
b
ll, lll and IV only
c
l, ll and lll only
d
l, ll, lll and IV
Explanation
Correct Option
bNo explanation available
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Discussions (5)
Oluwashida
9 years ago
My school, please confirm this from anyone else If not satisfied but in the above reaction, PRESSURE does not affect it because we have to look at the TOTAL VOLUME on the reactants' side and then the TOTAL VOLUME on the products' side .So if they are equal, then PRESSURE has no effect.
Oluwashida
9 years ago
i.e 2 from HCL + 1 from CaCo3 = 3 volume for reactants. Also at the products' side, 1 from CaCl + 1 from H2o + 1 from Co2 = 3 volume. Therefore it's 3 to 3 and this(PRESSURE ) can never be effective in such. The correct option is B because the other conditions would effects.
