Engineering
Chemistry
Lewis Structures Formal Charge and Octet Rule
Question

The number of C – C sigma bonds in the compound is :

15

17

18

11

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Solution

A triple bond consists of 1 sigma and two pi bonds.

A double bond consists of 1 sigma and one pi bonds.
A single bond is always only sigma bond.
So in the given compound we can count 15 sigma bonds.
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