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NEET2008ChemistrySome Basic Concepts of ChemistryActual

Assertion : When a concentrated solution is diluted by adding more water, molarity of the solution remains unchanged. Reason : Product of moles of a solute and volume is equal to the molarity.

Options

  1. AIf both assertion and reason are true and reason is the correct explanation of assertion.
  2. BIf both assertion and reason are true but reason is not the correct explanation of assertion.
  3. CIf assertion is true but reason is false.
  4. DIf both assertion and reason are false.

Correct answer

D. If both assertion and reason are false.

Step-by-step solution

Molarity equation is written as M₁ V₁=M₂ V₂ thus if the V₂ changes M₂ also changes. Molarity = moles of solute volume of solution in litre

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