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In the activity shown in the diagram, if the climate is humid, the role of calcium chloride taken in the guard tube is to :(a) Absorb the evolved gas(b) Warm up the gas(c) Dry the gas(d) Absorb chloride ions from the evolved gas |
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Answer» Correct answer is (c) Dry the gas 2 Nacl + H2SO4 \(\overset{\triangle}{\longrightarrow}\) Na2SO4 + 2HCl↑ Calcium chloride is used to dry the HCl gas. Calcium chloride is highly hygroscopic in nature. |
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