Engineering
Chemistry
Lewis Structures Formal Charge and Octet Rule
Question

How many sigma and pi bonds are there in tetracyano ethylene molecule ?

9σ and 9π

9σ and 7π

5σ and 9π

5σ and 7π

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Solution

The stucture of Tetracydar othylene is :

σ bonds = 4 + 4 +1 = 9

bonds π bonds = 1 + (2 × 4) = 9 bond

∴ 9σ bondsand 9π bonds

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