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