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Question: Answered & Verified by Expert
An aqueous solution of a salt MX2 at certain temperature has a Van't Hoff factor of 2. What is the degree of dissociation for this solution of the salt?
ChemistrySolutionsJEE MainJEE Main 2016 (10 Apr Online)
Options:
  • A 0.50
  • B 0.33
  • C 0.67
  • D 0.80
Solution:
1396 Upvotes Verified Answer
The correct answer is: 0.50
α=i-1k-1

=2-13-1=12=0.50

Here,

i= van't hoff factor

α =degree of dissociation

k= total number of ions(dissociated)

 

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