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Assertion : The aqueous solution of FeCl...

Assertion : The aqueous solution of `FeCl_(3)` is basic in nature.
Reason : The colour changes due to the oxidation of potassium chromate.

A

If both the assertion and reason are ture but the reason is a true explanation of the assertion.

B

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

C

If the assertion is true but reason is false

D

If assertion is false but reason is true.

Text Solution

Verified by Experts

The correct Answer is:
D
The aqueous solution of `FeCl_(3)` is acidic in nature because `FeCl_(3)` hydrolyses in water to produce acid ion.
`FeCl_(3) + 3H_(2)O rarr Fe(OH)_(3) + 3HCl`
Therefore, assertion is false but reason is true.
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Assertion: If a strong acid is added to a solution of potassium chromate it changes its colour from yellow to orange. Reason: The colour change is due to the oxidation of potassium chromate.

(a). Assertion (A) is true, Reason (R) is also true, Reason (R) is the correct explanation for assertion (A). (b). Assertion (A) is true, Reason (R) is true, Reason (R) is not the correct explanation for Assertion (A). (c). Assertion (A) is true, Reason (R) is false. (d). Assertion (A) is false, Reason (R) is true. Q. Assertion (A): to a solution of potassium chromate, if a strong acid is added, it changes its colour from yellow to orange. Reason (R): The colour change is due to the change in oxidation state of potassium chromate.