If ΔH°hydrog for a monosubstituted alkene is 126 kJ/mol,which of the following systems is most likely to be a conjugated system?
A) 3 double bonds,ΔH°hydrog = 379 kJ/mol
B) 2 double bond,ΔH°hydrog = 254 kJ/mol
C) 4 double bonds,ΔH°hydrog = 505 kJ/mol
D) None of these are likely to be conjugated.
Correct Answer:
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