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Assertion(A): Fe^(3+) can be used for co...

Assertion(A): `Fe^(3+)` can be used for coagulation of `As_(2)S_(3)` sol.
Reason (R): `Fe^(3+)` reacts with `As_(2)S_(3)` to give `Fe_(2)S_(3.)`

A

If both (A) and (R) are correct, and (R) is the correct explanation of (A)

B

If both (A) and (R) are correct, but (R) is the not the correct explanation of (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:
C
`Fe^(3+)` neutralizes the charge on the negatively charged `As_(2)S_(3)` particles.
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Assertion. Fe^(3+) can be used for coagulation of As_(2)S_(3) sol. Reason. Fe^(3+) reacts with As_(2)S_(3) to give Fe_(2)S_(3).

As_(2)S_(2) sol

Knowledge Check

  • As_(2)S_(3) is

    A
    Black
    B
    Yellow
    C
    Orange
    D
    White

  • As_(2)S_(3) sol is

    A
    positive colloid
    B
    negative colloid
    C
    neutral colloid
    D
    none of these

  • Assertion: Fe^(3+) can be used for coagulation of As_(2)S_(3) sol. Reason: Fe^(3+) reacts with As_(2)S_(3) to give Fe_(2)S_(3) .

    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.

    • Similar Questions

    Explore conceptually related problems

    As_(2)S_(3) sol is ,

    Assertion : Fe^(3+) ions can be used for the coagulation of As_(2)S_(3) sol. Reason : Fe^(3+) ions react with As_(2)S_(3) give Fe_(2)S_(3).

    A : Al^(+3) can be used for the cagulation of As_(2) S_(3) sol . R : Al^(+3) reacts with As_(2)S_(3) "to give" Al_(2) S_(3)

    Fe^(3+) can be used for coagulation of As_2S_3 sol. (R) Fe^(3+) reacts with As_2 s_3 to give Fe_2S_3 .

    Statements : Fe^(3+) ions can be used for the coagulation of As_2 S_3 so. Explanations : Fe^(3+) ions react with As_2S_3 to give Fe_2S_3 .

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