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The combustion enthalpies of carbon , hydrogen and methane are -395.5 kJ mol⁻¹,-284.8 kJ mol⁻¹ and -890.4 kJ mol⁻¹ respectively at 25⁰ C. The value of standard formation enthalpies of methane at that temperature is
Options
(a) 890.4 kJ mol⁻¹
(b) -298.8 kJ mol⁻¹
(c) -74.7 kJ mol⁻¹
(d) -107.7 kJ mol⁻¹
Correct Answer:
-74.7 kJ mol⁻¹
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Thermodynamics
(179)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Acetic acid will be obtained on oxidation of
- An organic compound ‘X’ having molecular formula C₅H₁₀O yields phenyl hydrozone
- The hydration energy of Mg²⁺ is greater than that of
- A mixture containing benzene and chlorobenzene is seperated by
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Topics: Thermodynamics (179)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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