Question

As the concentration of reactants increases,the number of molecules per unit volume and the number of effective collisions ___.Consequently, the speed of reaction ___.

• A. increases, decreases
• B. increases,increases
• C. decreases,increases
• D. decreases,decreases

Answer 1

The correct option is B

increases,increases

As the concentration of reactants increases,the number of molecules per unit volume and the number of effective collisions increases.Consequently, the speed of reaction increases.