The values of dissociation constants of `[Cu(NH_(3))_(4)]^(2+)` and `[Co(NH_(3))_(6)]^(3+)` are `1.0xx10^(-12)` and `6.2xx10^(-36)` respectively. Which complex would be more stable and why ?

Explanation

To determine which complex is more stable between `[Cu(NH₃)₄]²⁺` and `[Co(NH₃)₆]³⁺`, we need to analyze the given dissociation constants (K_d) for both complexes.

### Step 1: Understand the dissociation constant (K_d)
The dissociation constant (K_d) is a measure of the tendency of a complex to dissociate into its constituent ions. A lower value of K_d indicates that the complex is more stable, as it does not easily dissociate.

### Step 2: Compare the given K_d values
- For `[Cu(NH₃)₄]²⁺`, K_d = `1.0 x 10^(-12)`
- For `[Co(NH₃)₆]³⁺`, K_d = `6.2 x 10^(-36)`
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