Which of the following species is/are planar ?

1.	Which of the following species is/are planar ?
Answer» tert-Butyl free radical tert-Butyl carbocation tert-Butyl CARBANION Allyl carbanion Solution :Allyl carbanion DUE to resonance is planar, tert-Butyl free radical and tert-butyl carbocation are also planar but tert-butyl carbanion is PYRAMIDAL.

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