Question

The alkali metals lithium, sodium, and potassium react violently with water. The reaction becomes more explosive as you move from top to bottom down the group. What can you conclude about the rate laws for these reactions as you move down the group from lithium to potassium?

A. The rate constant decreases because the reactions are slower.
B. The rate constant increases because the reactions are faster.
C. The reaction order decreases from second order to zero order.
D. The reaction order increases from zero order to second order.

Answer 1

What do you think?

Answer 2

B?

Answer 3

@JoannaBlackwelder

Answer 4

Yep, good.