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blackened oil painting can be restored into origin
Question:
Blackened oil painting can be restored into original form by the action of:
WBJEE
Updated On:
Apr 26, 2024
(A) Chlorine
(B) BaO2
(C) H2O2
(D) MnO2
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The Correct Option is
C
Solution and Explanation
Explanation:
Blackening of oil painting is due to PbS which is oxidised by H2O2 to form white PbSO4
P
b
S
+
H
2
O
2
→
P
b
S
O
4
+
H
2
O
(Black)
(
w
h
i
t
e
)
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