Helium diffuses four times faster than which of the following?

Helium diffuses four times faster than which of the following?
  1. $\mathrm{ClO}_2$
  2. $\mathrm{SO}_2$
  3. $\mathrm{CO}_2$
  4. $\mathrm{NO}_2$

Solution

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Asked in: AP EAMCET 2020 (07 Oct Special)

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