multiple choice question\nin general, reaction rate _______ when reactants are more concentrated.\ndecreases\…

multiple choice question\nin general, reaction rate _______ when reactants are more concentrated.\ndecreases\nincreases\ndoes not change
Answer
Brief Explanations:
According to the collision - theory in chemistry, when reactants are more concentrated, there are more particles per unit volume. This leads to a higher frequency of effective collisions between reactant particles, thus increasing the reaction rate.
Answer:
B. increases