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Assertion : Colloidal sol scatters ight ...

Assertion : Colloidal sol scatters ight while true solution does not.
Reason : The particles in a colloidal sol move slowly than in a true solution.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false

Text Solution

Verified by Experts

The correct Answer is:
B
Both assertion and reason are true but reason is not the correct explanation of assertion.
The size of colloidal particles is large enough to scatter light while particles of a true solution are too small to scatter light.
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Knowledge Check

  • Assertion : Colloidal solution is a heterogeneous mixture. Reason : Colloidal particles are electrically charged

    A
    If both assertion and reason are true and reason is the correct explanation
    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.

  • Assertion: Colloidal solution exhibit Tyndall effect while true solution particles. Reason: Because the size of the colloidal particles is large enough to scatter light as compared to size of the true solution particles.

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

  • Colloidal particles of soap sol in water is

    A
    negatively charged
    B
    neutral
    C
    Positively charged
    D
    Unpredictable