Q22 / 160 · AP EAMCET 2024 (22 May Shift 2) · Chemistry

In water, which of the following gases has the highest Henry's law constant at 293 K ?

  • A
    $\mathrm{N}_2$
  • B
    $\mathrm{O}_2$
  • Correct answer
    C
    He
  • D
    $\mathrm{H}_2$

Solution

\begin{array}{lll} Gas & Temperature & \mathbf{K}_{\mathbf{H}} / \mathbf{k b a r} \\He & 293 & 144.97 \\\mathrm{H}_2 & 293 & 69.16 \\\mathrm{O}_2 & 293 & 34.86 \\\mathrm{~N}_2 & 293 & 76.48\end{array} So, He has the highest Henry's law constant.

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

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