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Thermodynamics question

2025 · 24 Jan · Shift 2 · Q4
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  5. /2025 · 24 Jan · Shift 2 · Q4

Thermodynamics question

2025 · 24 Jan · Shift 2 · Q4

JEE MainChemistryThermodynamicsMCQ+4 / −1
S( g)+32O2( g)→SO3( g)+2xkcalSO2( g)+12O2( g)→SO3( g)+ykcal\begin{aligned} & \mathrm{S}(\mathrm{~g})+\frac{3}{2} \mathrm{O}_2(\mathrm{~g}) \rightarrow \mathrm{SO}_3(\mathrm{~g})+2 x \mathrm{kcal} \\ & \mathrm{SO}_2(\mathrm{~g})+\frac{1}{2} \mathrm{O}_2(\mathrm{~g}) \rightarrow \mathrm{SO}_3(\mathrm{~g})+y \mathrm{kcal} \end{aligned}​S( g)+23​O2​( g)→SO3​( g)+2xkcalSO2​( g)+21​O2​( g)→SO3​( g)+ykcal​ The heat of formation of SO2( g)\mathrm{SO}_2(\mathrm{~g})SO2​( g) is given by :
  1. A
    2x+y2 x+y2x+y kcal
  2. B
    2xy kcal\frac{2 x}{y} \mathrm{~kcal}y2x​ kcal
  3. C
    y−2x kcaly-2 x \mathrm{~kcal}y−2x kcal
  4. D
    x+y kcalx+y \mathrm{~kcal}x+y kcal
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