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  4. If 0.24 g of a volatile liquid upon vaporisation gives 48 mL of vapours at NTP. What will be the vapour density of the substance? (Density of H 2=0.089 g L -1 )

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Q. If $0.24 \,g$ of a volatile liquid upon vaporisation gives $48\, mL$ of vapours at NTP. What will be the vapour density of the substance? (Density of $H _{2}=0.089 \,g \,L ^{-1}$ )

Organic Chemistry – Some Basic Principles and Techniques

Solution:

Molecular mass $=\frac{0.24 \times 22400}{48}=112$

(By Victor Meyer method)

Vapour density $=\frac{\text { Molecular mass }}{2}=\frac{112}{2}=56$