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The vapour density of the vapours of a substance of molecular weight 200 at N.T.P. is

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The vapour density of the vapours of a substance of molecular weight 200 at N.T.P. is

(a) 200

(b) 100

(c) 1

(d) 0.01

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1 Answer

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Correct option is (b) 100

Vapour density = \(\frac{\text{Mol. mass}} 2\)

\(= \frac{200}2\)

\(= 100\)

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