Question
Normally, a trans alkene is more stable than its cis isomer. transCyclooctene, however, is less stable than $c i s$ -cyclooctene by $38.5 \mathrm{~kJ} /$ mol. Explain.
Step 1
For trans-cyclooctene, the structure is a planar ring with a double bond. One of the hydrogen atoms attached to the double bond is inside the plane of the ring, and the other is outside the plane. This is due to the trans configuration of the double bond. For Show more…
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Normally, a trans alkene is more stable than its cis isomer. trans-Cyclooctene, however, is less stable than cis-cyclooctene by $38.5 \mathrm{kJ} / \mathrm{mol}$. Explain.
trans-Cyclooctene is less stable than cis-cyclooctene by $38.5 \mathrm{~kJ} / \mathrm{mol}$, but trans-cyclononene is less stable than cis-cyclononene by only $12.2 \mathrm{~kJ} / \mathrm{mol} .$ Explain.
trans-Cyclooctene is less stable than cis-cyclooctene by $38.5 \mathrm{kJ} / \mathrm{mol}$, but transcyclononene is less stable than cis-cyclononene by only $12.2 \mathrm{kJ} / \mathrm{mol}$. Explain.
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