Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Heat of hydrogenations are given :
Δ H = – 28.6 kcal/mol
Δ H = – 116.2 kcal/mol
What will be the R.E. of anthracene ?
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
0084
Sol.There are 7 π bonds in anthracene
Theoretical heat of hydrogenation = – 28.6 × 7
= –200.2 kcal/mol
observed heat of hydrogenation
= – 116.2 kcal/mol
|R.E| = 84 kcal/mol
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