The equation that is incorrect is:

Question

Canvas Classes · Accepted Answer

Strategy:
 Use Kohlrausch's law to expand each equation into its ionic components. An equation is correct if the anions/cations cancel out to form an identity.

Evaluating Option (a):
LHS: 
RHS: 
Since LHS  RHS (LHS has extra ), this equation is incorrect.

Other options:
- (c): Water . (Correct)
- (d):  cancels  cancels . (Correct)

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