AIPMT PRELIMS2000Chemistry-Electrochemistry

AIPMT PRELIMS 2000 Chemistry Conductance MCQ Question

Type: MCQ-numerical-Medium-Class 12

At infinite dilution equivalent conductances of Ba²⁺ & Cl⁻ ions are 127 & 76ohm⁻¹cm² eq⁻¹ respectively. Equivalent conductance of BaCl₂ at infinite dilutions is :

A

139.5

B

101.5

C

203

D

279

Correct Answer

Option A

Detailed Explanation

The equivalent conductance of BaCl₂ is the sum of the conductances of Ba²⁺ and 2Cl⁻ ions: 127 + 2×76 = 279.

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