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NEET2009ChemistryChapterActual

Assertion : Addition of silver ions to a mixture of aqueous sodium chloride and sodium bromide solution will first precipitate AgBr rather than AgCl . Reason : K_ s p of AgCl < K_ s p of AgBr

Options

  1. Aboth assertion and reason are true and reason is the correct explanation of assertion
  2. Bboth assertion and reason are true but reason is not the correct explanation of assertion
  3. Cassertion is true but reason is false
  4. Dboth assertion and reason are false.

Correct answer

C. assertion is true but reason is false

Step-by-step solution

K_ s p of AgCl > K_ s p of AgBr . For the precipitation to occur, its ionic product should exceed solubility product.

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