A) \[\alpha =\frac{i-1}{x+y-1}\]
B) \[\alpha =\frac{i+1}{x+y-1}\]
C) \[\alpha =\frac{x+y-1}{i-1}\]
D) \[\alpha =\frac{x+y-1}{i+1}\]
Correct Answer: A
Solution :
| [a] \[\underset{1-\alpha }{\mathop{{{A}_{\times }}{{B}_{y}}}}\,\underset{\alpha x}{\mathop{x{{A}^{y+}}}}\,+\underset{\alpha y}{\mathop{y{{B}^{x-}}}}\,\] |
| Total amount of species \[=1+(x+y-1)\alpha \] |
| Van't Hoff factor, \[i=\frac{1+(x+y-1)\alpha }{1}\] |
| or \[\alpha =\frac{i-1}{x+y-1}\] |
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