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One question per day; those who answer correctly receive 5 wealth points, and those who participate receive 2 wealth points； Question 306 [

2016-06-03View Original

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Selection: What causes conformational isomerism in alkanes? A. Restricted rotation of the double bond in the molecule B. Conjugation between single and double bonds in the molecule C. The presence of a double bond in the molecule D. Relative rotation of the two carbon atoms in the molecule around the C–C single bond D. Relative rotation of the two carbon atoms in the molecule around the C–C single bond
Reply #22016-06-03
D. The two carbon atoms in the molecule rotate relative to each other around the C—C single bond
Reply #32016-06-03
D. The two carbon atoms in the molecule rotate relative to each other around the C—C single bond
Reply #42016-06-03
D. The two carbon atoms in the molecule rotate relative to each other around the C—C single bond
Reply #52016-06-03
The reason for the conformational isomerism of alkanes is (C).

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Translated at 2026-07-21 00:07:04

Original: https://bbs.hcbbs.com/thread-1590779-1-1.html

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