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(a). Assertion (A) is true, Reason (R) i...

(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.

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

Text Solution

Verified by Experts

The correct Answer is:
C
This statement I is correct.
`underset("(yellow)")(2Na_(2)CrO_(4))+H_(2)SO_(4)rarr underset("(Orange)")(Na_(2)Cr_(2)O_(7))+Na_(2)SO_(4)+H_(2)O`
Oxidation state of Cr in `Na_(2)CrO_(4)` and `Na_(2)CrO_(7)` and is `+6`.
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