alleryFor salt CaCl₂ (assume full dissociation), i =
A2
B3 (Ca²⁺ + 2 Cl⁻)
C4
D1
Answer & Solution
Correct answer: B. 3 (Ca²⁺ + 2 Cl⁻)
CaCl₂ → Ca²⁺ + 2 Cl⁻: 3 particles.
Ideal i = 3. Actual slightly less (~2.8 in dilute solution) due to ion pairing.
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