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Assertion (A): The colour of old lead pa...

Assertion `(A)`: The colour of old lead painting can be restored by washing with dilute solution of `H_2O_2`.
Reason `(R)` : Black lead sulphide is oxidised by `H_2O_2` to white lead suphate.

A

If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.

B

If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion.

C

If Assertion is True but the Reason is False.

D

If both Assertion & Reason are False.

Text Solution

Verified by Experts

The correct Answer is:
A
Old oil paintings contain PbO which becomes black due to formation of PbS.
`underset("black")(PbS)+4H_(2)Orarrunderset("white")(PbSO_(4))`
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