The correct relationship between the hydrolysis constant $(K_h)$ and the dissociation constant $(K_b)$ for $MgCl_2$ is:
- A$K_h = \frac{K_w}{K_a}$
- B$K_h = \frac{K_w}{K_b}$
- C$K_h = \frac{K_w}{K_a \times K_b}$
- D$K_h = \sqrt{\frac{K_b}{C}}$
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