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Question
Chemistry
The change in oxidation state of Pb when galena is roasted for the lead extraction from it’s low grade ore. Give your answer as integer.
Q. The change in oxidation state of
P
b
when galena is roasted for the lead extraction from it’s low grade ore.
Give your answer as integer.
47
156
NTA Abhyas
NTA Abhyas 2022
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Answer:
0
Solution:
P
b
S
→
P
b
O
(on roasting). There is no difference in Oxidation state of lead during roasting of galena.