Tetracyanoethylene, (CN)_2C=C(CN)_2, has carbons which are:

JEE Main Chemistry question

Tetracyanoethylene, , has carbons which are:

(A)-hybridised only
(B)-hybridised only
(C)- and -hybridisedCorrect
(D) and -hybridised

Answer: (C)

Solution

In tetracyanoethylene, the four nitrile () carbon atoms each form one triple bond and one single bond (-bonds, -hybridised), while the two central alkene (C=C) carbon

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Question ID VK-156501