Chemistry · Electrochemistry
The equilibrium constant for the formation of the complex [Zn(NH 3 ) 4 ] 2+ at 25°C is close to: Given: E° Zn 2+ /Zn = -0.763 V and E° [Zn(NH 3 ) 4 ] 2+ /Zn,NH 3 = -1.03 V
- 16.6 × 10 7
- 21 × 10 9✓
- 35.5 × 10 10
- 42 × 10 8
Correct answer
1 × 10 9
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