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Grade 12th passPhysical Chemistry

Calculate resonance energy of gaseous C6H6.
BEC-H= 416.3kJ/mol
BEC-C= 331.4kJ/mol
BEC=C= 591.1kJ/mol
Hsub(C(g))=718.4kJ/mol
Hdiss(H2(g))= 435.9kJ/mol
Hff(C6H6(g))= 82.9kJ/mol

Profile image of Poonam Kumari
6 Years agoGrade 12th pass
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1 Answer

Profile image of Vikas TU
6 Years ago
Dear student 
6 C + 3 H 2 → C6H6
[ 6 × Δ Hosub Cgraphite + 3 × ΔHodiss(H ,g) ] − [6 × εC−H + 3 × εC−C + 3 × εC=C] 
Put the value in this .
Hope this helps 
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