Which outcome results when the temperature of supercritical carbon dioxide in a reactor exceeds pseudocritical point?

💡 Explanation

When supercritical CO2 exceeds its pseudocritical point, thermal expansion causes sharp density gradients, triggering Rayleigh-Bénard convection because buoyancy forces overwhelm viscous forces, setting up flow instabilities. Therefore, density gradients induce instabilities, rather than catalytic poisoning, corrosion increases, or constant pressure which relate to different phenomena.

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