Q19 / 160 · TS EAMCET 2024 (10 May Shift 2) · Chemistry

At high pressure and regulated supply of air, methane is heated with catalyst ' X ' to give methanol and with catalyst ' $Y$ ' to give methanal. $X$ and $Y$ respectively are

  • A
    $\mathrm{Mo}_2 \mathrm{O}_3, \mathrm{Cu}$
  • Correct answer
    B
    $\mathrm{Cu}_{,} \mathrm{Mo}_2 \mathrm{O}_3$
  • C
    $\mathrm{V}_2 \mathrm{O}_5, \mathrm{KMnO}_4$
  • D
    $\mathrm{KMnO}_4, \mathrm{Cr}_2 \mathrm{O}_3$

Solution

$2 \mathrm{CH}_4+\mathrm{O}_2 \xrightarrow{\mathrm{Cu} / 523 \mathrm{~K} / 100 \mathrm{~atm}} \underset{\substack{\text { Methanol }}}{2 \mathrm{CH}_3 \mathrm{OH}}\xrightarrow[\Delta]{\mathrm{Mo}_2 \mathrm{O}_3} \underset{\text { Methanal }}{\mathrm{HCHO}+\mathrm{H}_2 \mathrm{O}}$

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

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