Find the enthalpy of combustion of propane gas from the following data. Bond energy (kJ/mol)
BE_C-H = a₁
BE_O=O = a₂
BE_C=O = a₃
BE_O-H = a₄
BE_C-C = a₅
Find the enthalpy of combustion of propane gas from the following data. Bond energy (kJ/mol)
BE_C-H = a₁
BE_O=O = a₂
BE_C=O = a₃
BE_O-H = a₄
BE_C-C = a₅
Option 1 - <p>6a₁ + a₅ + 5a₂ – 3a₃ – 4a₄<br><!-- [if !supportLineBreakNewLine]--><br><!--[endif]--></p>
Option 2 - <p>8a₁ + 2a₅ + 5a₂ – 6a₃ – 8a₄<br><!--[endif]--></p>
Option 3 - <p>6a₁ + a₅ + a₂ – a₃ – a₄<br><!-- [if !supportLineBreakNewLine]--><br><!--[endif]--></p>
Option 4 - <p>8a₁ + 2a₅ + 5a₂ – 3a₃ – 8a₄</p>
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5 months ago
Correct Option - 2
Detailed Solution:
C? H? + 5O? → 3CO? + 4H? O
ΔH = − {6 (C = O) + 8 (OH)} + 2 (C – C) + 8 (C – H) + 5 (O = O)
= 8a? + 5a? + 2a? - 6a? - 8a?
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Chemistry Ncert Solutions Class 11th 2023
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