Question
Question: Heat of hydrogenation of ethene is x<sub>1</sub> and that of benzene is x<sub>2</sub>. Hence resonan...
Heat of hydrogenation of ethene is x1 and that of benzene is x2. Hence resonance energy of benzene is-
A
x2 – 3x1
B
x1 + x2
C
3x1 – x2
D
x1 – 3x2
Answer
3x1 – x2
Explanation
Solution
+ 3H2 ¾® C6H12 (DrH)cal = 3x1
and (DrH)obs = x2
\ RE = (DrH)cal – (DrH)obs = 3x1 – x2