Question
(Assertion): All allenes are optically active. Contains the terminal carbon groups in opposite planes.
Step 1
In an allene (C=C=C) the central carbon is sp-hybridized and forms two orthogonal π systems with the terminal carbons, so the substituent groups on the two terminal carbons lie in perpendicular planes (i.e., in "opposite" or orthogonal planes). Show more…
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