A) \[\frac{{{a}^{2}}}{{{(a+b)}^{2}}}\]
B) \[\frac{{{a}^{2}}}{{{b}^{2}}+{{(1-a)}^{2}}}\]
C) \[\Delta ABC,\]
D) \[{{a}^{2}}+{{b}^{2}}+{{c}^{2}}=ac+\sqrt{3}ab,\]
Correct Answer: D
Solution :
Coagulating power of an electrolyte for arsenious sulphide decreases as \[\sqrt{\frac{2}{3}}\]
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