A gas collected by the upward displacement of air but cannot be collected either downward or upward displacement of water. Identify the probable characteristics of the gas.

Options

A. It is heavier than air and insoluble in water.
B. Its vapour density is equal to air and is highly soluble in water.
C. It is heavier than air and is highly soluble in water.
D. It is lighter than air and water.

Answer

C

Explanation

.X. is highly soluble in water. Hence, it cannot be collected by water. It is collected by the upward displacement of air as it is heavier than air.