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Which of the following expressions correctly represents the equivalent conductance at infinite dilution of Al_2 ( SO_4 )_3. Given that Λ_ Al^3+° and…

NEET UG 2010 — Chemistry Physical Chemistry

2010mcqeasy

Which of the following expressions correctly represents the equivalent conductance at infinite dilution of Al2(SO4)3\mathrm{Al}_2\left(\mathrm{SO}_4\right)_3Al2​(SO4​)3​. Given that ΛAl3+∘\Lambda_{\mathrm{Al}^{3+}}^{\circ}ΛAl3+∘​ and ΛSO42−∘\Lambda_{\mathrm{SO}_4^{2-}}^{\circ}ΛSO42−​∘​ are the equivalent conductances at infinite dilution of the respective ions?

Official previous-year question

Held on 30 Apr 2010 · Verified 9 Jul 2026.

Options

  1. A

    2ΛAl3+∘+3ΛSO42−∘2 \Lambda_{\mathrm{Al}^{3+}}^{\circ}+3 \mathrm{\Lambda}_{\mathrm{SO}_4^{2-}}^{\circ}2ΛAl3+∘​+3ΛSO42−​∘​

  2. B

    ΛAl3+∘+ΛSO42−∘\Lambda_{\mathrm{Al}^{3+}}^{\circ}+\Lambda_{\mathrm{SO}_4^{2-}}^{\circ}ΛAl3+∘​+ΛSO42−​∘​

  3. C

    (ΛAl∘+∘+3ΛSO42−∘)×6\left(\Lambda_{\mathrm{Al}^{\circ+}}^{\circ}+3 \Lambda_{\mathrm{SO}_4^{2-}}^{\circ}\right) \times 6(ΛAl∘+∘​+3ΛSO42−​∘​)×6

  4. D

    13ΛAl3+∘+12ΛSO42−∘\frac{1}{3} \Lambda_{\mathrm{Al}^{3+}}^{\circ}+\frac{1}{2} \Lambda_{\mathrm{SO}_4^{2-}}^{\circ}31​ΛAl3+∘​+21​ΛSO42−​∘​

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