sblock Elements 2 Question 19
21. Identify $(X)$ in the following synthetic scheme and write their structures.
$\mathrm{Ba}^{} \mathrm{CO}{3}+\mathrm{H}{2} \mathrm{SO}_{4} \longrightarrow X$ (gas) $\left(\mathrm{C}^{}\right.$ denotes $\left.\mathrm{C}^{14}\right)$
(2001, 1M)
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Answer:
Correct Answer: 21. occlusion
Solution:
- $\mathrm{BaC}^{} \mathrm{O}{3}+\mathrm{H}{2} \mathrm{SO}{4} \longrightarrow \mathrm{BaSO}{4}+\mathrm{H}_{2} \mathrm{O}+\stackrel{}{\mathrm{C}} \mathrm{O}_{2} \quad\left(\stackrel{*}{\mathrm{C}}=\mathrm{C}^{14}\right)$
