TS EAMCET · Chemistry · Thermodynamics (C)
Given that \(\mathrm{N}_2(g)+3 \mathrm{H}_2(g) \longrightarrow 2 \mathrm{NH}_3(g)\); \(\Delta_r H^{\circ}=-92 \mathrm{~kJ}\), the standard molar enthalpy of formation in \(\mathrm{kJ} \mathrm{mol}^{-1}\) of \(\mathrm{NH}_3(g)\) is
- A -92
- B 46
- C 92
- D -46
Answer & Solution
Correct Answer
(D) -46
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Detailed explanation
Given, \[ \mathrm{N}_2(g)+3 \mathrm{H}_2(g) \longrightarrow 2 \mathrm{NH}_3(g) ; \Delta_r H^{\circ}=-92 \mathrm{~kJ} \] Chemical reaction for molar enthalpy of formation of \(\mathrm{NH}_3\),…
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