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When 4g of iron is burnt to ferric oxide at constant pressure, 29.28 kJ of heat is evolved. What is the enthalphy of formation of ferric oxide? (At. Wt of Fe=56)
Options
(a) -40.99 kJ
(b) -81.98 kJ
(c) 819.8 kJ
(d) -819.8 kJ
Correct Answer:
-819.8 kJ
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 weight of iron which will be converted into its oxide(Fe₃O₄) by the action of 18g
- Replacement of Cl of chlorobenzene to give phenol requires drastic conditions.
- The C-C bond length is longest in
- The -OH group of an alcohol or the -COOH group of a carboxylic acid can be
- The reaction of an ester RCOOR’ with an alcohol R”OH in the presence of an acid
Topics: Thermodynamics (179)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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