pBlock ElementsII 1 Question 67
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The lead chamber process involves oxidation of $\mathrm{SO} _{2}$ by atomic oxygen under the influence of a catalyst.
(1992, 1M)
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Answer:
Correct Answer: 62. $NO_2$
Solution:
$\mathrm{NO} _{2}: 2 \mathrm{SO} _{2}(g)+\mathrm{O} _{2}(g) \xrightarrow[(\mathrm{NO} _{2})]{\text { Catalyst: } \mathrm{NO} _{2}} \quad 2 \mathrm{SO} _{3}(g)$
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