Q6 / 160 · AP EAMCET 2018 (22 Apr Shift 1) · Chemistry

$16 \mathrm{~g}$ each of $\mathrm{H}_2$, He and $\mathrm{O}_2$ are present in a container exerting $10 \mathrm{~atm}$. pressure at $T(\mathrm{~K})$. The pressure in atm exerted by $16 \mathrm{~g}$ each of $\mathrm{He}$ and $\mathrm{O}_2$ in the second container of same volume and temperature is

  • A
    1.8
  • B
    6.4
  • Correct answer
    C
    3.6
  • D
    5.4

Solution

Mixture of $\mathrm{H}_2$, He and $\mathrm{O}_2 16 \mathrm{~g}$ each exert $=10$ atm pressure. Mixture of $\mathrm{He}, \mathrm{O}_2$ exert ( $16 \mathrm{~g}$ each) pressure $=$ ? Mixture of $36 \mathrm{~g}$ exert pressure $=\frac{36}{10}=3.6$

Hence, the correct answer is option: 'C'.

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