What Is the Correct Order of Exothermicity for Hydrogenation of the Following

question 8

Multiple Choice

What is the correct order of exothermicity for hydrogenation of the following hexadienes upon treatment with H₂/Pd (more exothermic > less exothermic) ?

• A) 1 > 2 > 3
• B) 3 > 1 > 2
• C) 2 > 1 > 3
• D) 3 > 2 > 1

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