Given (A) 2 CO (g)+ O _ 2 (g) 2 CO _ 2 (g) H_ 1 ^ =-x ~kJ ~mol ^ -1 (B) C(graphite) + O _…
Chemistry · JEE Main · NTA Exams — Chemical Thermodynamics
Given
(A) \(2 \mathrm{CO}(g)+\mathrm{O}_{2}(g) \rightarrow 2 \mathrm{CO}_{2}(g) \ldots \ldots\)\(\Delta H_{1}^{\theta}=-x \mathrm{~kJ} \mathrm{~mol}^{-1}\)
(B) C(graphite)\(+\mathrm{O}_{2}(\mathrm{~g}) \rightarrow \mathrm{CO}(\mathrm{~g}) \ldots . \Delta \mathrm{H}_{2}{ }^{\mathrm{e}}=y \mathrm{~kJ} \mathrm{~mol} \mathrm{~m}^{-1}\)
The \(\Delta H^{\theta}\) for the reaction
C(graphite) \(+\frac{1}{2} O_{2}(g) \rightarrow C O(g)\) is
(Jee Main 2023)
(A) \(2 \mathrm{CO}(g)+\mathrm{O}_{2}(g) \rightarrow 2 \mathrm{CO}_{2}(g) \ldots \ldots\)\(\Delta H_{1}^{\theta}=-x \mathrm{~kJ} \mathrm{~mol}^{-1}\)
(B) C(graphite)\(+\mathrm{O}_{2}(\mathrm{~g}) \rightarrow \mathrm{CO}(\mathrm{~g}) \ldots . \Delta \mathrm{H}_{2}{ }^{\mathrm{e}}=y \mathrm{~kJ} \mathrm{~mol} \mathrm{~m}^{-1}\)
The \(\Delta H^{\theta}\) for the reaction
C(graphite) \(+\frac{1}{2} O_{2}(g) \rightarrow C O(g)\) is
(Jee Main 2023)
- \(\frac{2 x-y}{2}\)
- \(\frac{x+2 y}{2}\)
- \(2 y-x\)
- \(\frac{x-2 y}{2}\)
Answer
(D) x-2 y 2
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