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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
- The oxidation state of Cr in K₂Cr₂O₇ is
- The products formed when diborane is hydrolysed are
- During a redox titration involving a solution containing Fe²⁺ ions against MnO₄⁻
- A solution containing 6 g urea per litre is isotonic with a solution containing
- Copper pyrite, the chief ore of copper, is
Topics: Thermodynamics (179)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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