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The van’t Hoff factor for BaCl2 at 0.01 M concentration is 1.98. The percentage dissociation of BaCl2 at this concentration is

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a
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detailed solution

Correct option is A

BaCl2Ba+2+2Cl- ; n=3 α=i-1n-1=1.98-13-1=0.49 The %  dissociation=0.49×100=49%

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