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A : Agl changes to negatively charged co...

A : Agl changes to negatively charged colloidal solution in presence of Kl.
R : It is due to adsorption of `I^(-)` on Agl .

A

If both Assertion & Reason are true and the reason is the correct explanation of the assertion, mark (1)

B

If both Assertion & Reason are true but reason is not the correct explanation of the assertion, then mark (2)

C

If Assertion is true statement but Reason is false, then mark (3)

D

If both Assertion and Resson are false statements , then mark (4)

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • Assertion : When KI solution is added to AgNO_(3) solution, negatively charged sol results . Reason : Negative charge of sol is due to preferential adsorption of iodide ions from the dispersion medium.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion
    C
    If assertion is true but reason is false
    D
    if both assertion and reason are false