Which of the following rings is highly strain | vedclass

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Question

(C) Ring strain is inversely proportional to the size of the ring. Smaller rings have higher angle strain due to significant deviation from the ideal

Vedclass · Accepted Answer

$\beta$-lactone

Vedclass · Answer

(C) Ring strain is inversely proportional to the size of the ring. Smaller rings have higher angle strain due to significant deviation from the ideal tetrahedral bond angle of $109.5^{\circ}$. Among the given options,the $\beta$-lactone is a four-membered ring,which possesses the highest angle strain compared to the five-membered ($\gamma$-lactone) and six-membered ($\delta$-lactone/lactam) rings. Therefore,the $\beta$-lactone is the most highly strained.

Which of the following rings is highly strained?

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