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Question: Answered & Verified by Expert
Calculate dissociation constant for an acid HA having [H+] equals to 0.1M (Given: degree of dissociation of HA is 1% )
ChemistryIonic EquilibriumJEE Main
Options:
  • A 10-8
  • B 10-6
  • C 10-3
  • D 10-7
Solution:
1251 Upvotes Verified Answer
The correct answer is: 10-3
ka=α2C1-α , α is very small ;
1-α1
=0.1
k a =(Cα)α
=0.01×0.1= 10 3

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