Question refers to the following diagrams of two methods of collecting gases. Which of these gases, on the basis of its density and solubility, should be collected by Method 2?
A
NH3
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B
H2
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C
HCl
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D
CO2
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E
He
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Solution
The correct option is CHCl On the basis of its density and solubility, HCl should be collected by Method 2 HCl is denser than air. Hence, HCl can be collected by method 2 in which it will displace air. Also it is water soluble. Hence, it cannot be collected by method 1.