Environmental Chemistry Question 1
Question: Oxides of sulphur $ (SO_2,SO_3) $ are due to
Options:
A) burning of sulphur containing fossil fuel
B) roasting and smelting of sulphide ore
C) oxidation by air, $ H_2O_2 $ and $ O_3 $
D) All of the above
Show Answer
Answer:
Correct Answer: D
Solution:
[d] (1) S (in fossil fuel) + $ O_2\to SO_2 $ (2) $ 2CuFeS_2+5.5O_2\xrightarrow[Roasting]{Smelting}Cu_2O+2FeO+4SO_2 $ (3) $ SO_2+H_2O_2\to H_2SO_4(SO_3) $ $ SO_2+O_3\to SO_3+O_2 $
BETA
