Observed heat of hydrogention for cyclohedxa-1,4diene and cyclo hexa-1,3 diene is x& Y kcal /mol respectively , calculate the resonacne energy of cyclohexa-1,3-dine :
A
`(3x)/(2)-y`
B
`(2x)/(2)-y`
C
`(3y)/(2)-x`
D
`(2y)/(2)-x`
Text Solution
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The correct Answer is:
B
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