MCQ
Product; Comment upon optical activity of the product


- ARacemic mixture
- BDiastereomers
- CMeso
- ✓Optically inactive due to absence of chiral center


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Gases
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$\ce{H_2}$
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$\ce{He}$
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$\ce{O_2}$
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$\ce{n_2}$
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Critical temperature in Kelvin
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$33.2$ | $5.3$ | $154.3$ | $126$ |