Statement (A): Vapour density is the ratio of density of gas to density of Hydrogen gas.Statement (B): Vapour density has no unitsStatement (C): Molecular mass = 2×Vapour Density

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Statement (A): Vapour density is the ratio of density of gas to density of Hydrogen gas.

Statement (B): Vapour density has no units

Statement (C): $Molecular mass = 2 \times Vapour Density$

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A, B are correct and C is incorrect

A, B are incorrect and C is correct

All the statements A, B and C are incorrect

All the statements A, B and C are correct

answer is C.

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Detailed Solution

$Vapour density (V.D) = \frac{Density of gas,gram/cc}{Density of Hydrogen , gram/cc}$ $\Rightarrow no units$

Note: We always remember that if the units are same in denominator and numerator then units is canceled out just we get numerical values.

Molecular mass $= 2 \times v a p o u r d e n s i t y$

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