Which of the following expressions correctly represents the equivalent conductance at infinite dilution of Al2(SO4)3? Given that ∧∘Al3+ and ∧∘SO2−4 are the equivalent conductances at infinite dilution of the respective ions?
A
2∧∘Al3++3∧∘SO2−4
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B
∧∘Al3++∧∘SO2−4
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C
(∧∘Al3++3∧∘SO2−4)×6
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D
13∧∘Al3++12∧∘SO2−4
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Solution
The correct option is B∧∘Al3++∧∘SO2−4 Al2(SO4)3⇌2Al3++3SO2−4
We can calculate the equivalent conductance only for ions, so the equivalent conductance at infinite dilution,