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The bond dissociation energies of H₂, Cl₂ and HCl are 104, 58, and 103 kcal mol⁻¹ respectively. The enthalphy of formation of HCl would be
Options
(a) -22 Kcal mol⁻¹
(b) -44 Kcal mol⁻¹
(c) 44 Kcal mol⁻¹
(d) -11 Kcal mol⁻¹
Correct Answer:
-22 Kcal 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
- He₂ does not exist because its
- Ionisation constant of CH₃COOH is 1.7 ˣ 10⁻⁵ and concentration of H⁺ ions
- The reaction of phenol with alkaline chloroform gives salicylaldehyde, it is
- At what temperature, the rms velocity of gas shown at 50⁰C will be doubled
- The gas which combin with haemoglobin to damage its oxygen carrying capacity is
Topics: Thermodynamics (179)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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