JEE Main Chemistry question

Identify the correct statement from below, concerning the structure of (allene)

(A)The molecule is planar
(B)One of the three carbon atoms is in an hybridised state
(C)The molecule is non-planar with the two groups being in planes perpendicular to each otherCorrect
(D)All the carbon atoms are -hybridised

Answer: (C)

Solution

In allene, the central carbon is hybridised and forms two mutually perpendicular π-bonds (using its two unhybridised -orbitals) to the two terminal -hybridised

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Question ID VK-156045