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Assertion:- The colour of old lead paint...

Assertion:- The colour of old lead paintings can be retored by washing with dilute solution of `H_(2)O_(2)`
Reason:- Black lead sulphide is oxidised by `H_(2)O_(2)` to white lead sulphate.

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
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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.

Old lead paintings are generally washed with dilute solution of H_(2)O_(2) in order to regain their colour. Why?

H_(2)O is oxidised to O_(2) by :

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