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NEET levelSingle correct optionDifficulty 1 of 3ig066

The density of $CO X_{2}$ (molar mass 44) at STP, taking the molar volume as $22.4 L$ , is nearest to

A $1.96 g L^{- 1}$
B $0.51 g L^{- 1}$
C $44 g L^{- 1}$
D $22.4 g L^{- 1}$

Answer: A

Density at STP

= \frac{M}{22.4} = \frac{44}{22.4} = 1.964 g L^{- 1}

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