Estimate the Stabilization Energy for 1,3-Pentadiene Using the Heats of Hydrogenation

question 40

Multiple Choice

Estimate the stabilization energy for 1,3-pentadiene using the heats of hydrogenation in Table 1. Table 1.
Heats of Hydrogenation for Selected Compounds
Compound
Moles H₂
$\Delta$ H(kJ mol^-1)
1-Butene
1
-127
1-Pentene
Trans-2-pentene
1
1
-126
-115
1,3-Butadiene
2
-239
Trans-1,3-Pentadiene
2
-226

• A) 13 kJ mol^-1
• B) 15 kJ mol^-1
• C) 28 kJ mol^-1
• D) 239 kJ mol^-1
• E) 112 kJ mol^-1

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