The rate constant for a reaction $\mathrm{A}^{3+}+\mathrm{B}^{\mathrm{n}+1} \rightarrow \mathrm{P}$ is measured in two different aqueous solutions of ionic strengths 0.01 M and 0.04 M . If $\log \mathrm{K}_{0.04} / \mathrm{K}_{0.01}=0.3$, the charge n on B is closest to
(a)1
(b)2
(c)3
(d)6
Answer
Answer: A ✓ checked by 4AB · confidence high
The source book printed no answer; this one was worked out and checked — see the explanation.