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colloidal silver iodies is prepared by a...

colloidal silver iodies is prepared by adding silver nitrate in slight excess to potassium iodide solution. When subjected to an electric field, the colloidal particles, migrate to the anode.
(R) Colloidal particles absorb ions thus become electrically charged.

A

IF both (A) and (r) are correct and (r) is the correct explanation for (a).

B

If both (a) and (r) are correct but (r) is not the correct explanation for (a).

C

IF (a) is correct but (r) is incorrect.

D

If (a) is incorrect but (r) is correct.

Text Solution

Verified by Experts

The correct Answer is:
D
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When silver nitrate solution is added to potassium iodide solution then the sol produced is

the electrical charge on a colloidal particle is indicated by :

Knowledge Check

  • Statements : Colloidal silver iondie is sikytuib . Wghen subjected to an electric field the collidal particles migrate to the abnode . Expabnations : Colloidal particles of AgI adorb iodid ions and thus become electrically charged .

    A
    S is correct but E is wrong .
    B
    S is worong but E is correct
    C
    Both S and E are correct and E is correct explanation of (S) .
    D
    Both S and E are correct but E is not correct explanation of S.

  • Assertion: When AgNO_(3) is treated with excess of Kl , colloidal particles gets attracted to wards anode. Reason: Colloidal particles adsorb common ions and thus becomes charged.

    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.

  • Statement-1 :When AgNO_3 is treated with excess of Kl colloidal particles gets attracted towards anode. Statement-2 :Colloidal particles adsorb common ions and thus become charged.

    A
    Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-1
    B
    Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1
    C
    Statement-1 is True, Statement-2 is False.
    D
    Statement-1 is False, Statement-2 is True.

    • Similar Questions

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

    The electrical charge on the the colloidal particles is indicated by

    each question constain STATEMENT-1(Assertion ) and STATEMENT - 2 (reason). examine the statement carefully and work the correct answer accoridng to the instructions given below : STATEMENT-1: Colloidal Agl is prepared by adding Kl in slight excess to AgNO_(3) solution, the and particles migrate toward cathode under electric field. STATEMENT-2: Colloidal particles adsorb ions and thus becomes electrically neutral.

    The presence of electric charge on colloidal particles is indicated by the property, called :

    The movement of colloidal particle under the influence of electric field is called

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