Which of the following statement(s) is/are correct? (i) Molar conductivity for strong electrolyt...

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Which of the following statement(s) is/are correct?
(i) Molar conductivity for strong electrolytes increases gradually and of weak electrolytes increases rapidly on dilution.
(ii) If \( \alpha \) is the degree of dissociation of weak electrolytes.
Then, \( \alpha=\frac{\wedge_{\mathrm{m}}}{\wedge^{\circ} \mathrm{m}} \)
(iii) Molar conductivity of \( \mathrm{CaX}_{2} \) increases rapidly on dilution.
(a) (i) and (iii)
(b) (ii) only
(c) (i) only
(d) (i) and (ii)
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