number 48 please. 48. Which statements about the collision theory of reactions a

Question

number 48 please.

48. Which statements about the collision theory of reactions are correct? I.Molecules must have the correct spatial orientations for collisions to lead to reactions. II. Only collisions with an energy greater than a certain threshold lead to reactions. (AlIonly (B) Il Only(C) Both l and(D) Neither I nor lI 49. Which of the following has the greatest solubility in water? (A) Zncro, (K,,-2.7× 10-8) |(C)CaF2(Nm= 3.9 × 10-11) (B) BacrOu4K,,-2.3 × 10-10) (D) AgBr(R,p = 5.0 x 10-13) -

Explanation / Answer

According to collision theory, effective collision only leads to the product

By effective collision is is meant that the reactants should have proper orientation and there energy should be greater than the activation energy of reaction

So, both I and II are correct

Answer: C

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