Order the following compounds from most to least stable. HOC CO,H нсон HO,C -CO,H COH B,...

Question

Question

Answer 1

Answer #1

Correct order is D > A > C > B.

D and A ate staggered whereas C and b are eclipsed.

In case of D both carboxylic groups are opposite to each other. No interaction at all. Hence more stable.

In case of A, both carboxylic groups shows gauche interaction. Hence less stable compared to D.

In case of B, both carboxylic groups shows eclipsed interaction with each other. Hence highly unstable.

In case of C, both carboxylic groups shows eclipsed interaction with H. Hence more stable compared to B.

Answer 2

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