Which of the following will need to be counted when determining the total number

Question

Which of the following will need to be counted when determining the total number of pi electrons in a conjugated system? (choose all that apply)--assume that the pi system is a series of atoms with p orbitals available.

Which of the following will need to be counted when determining the total number of pi electrons in a conjugated system' (choose all that apply)--assume that the pi system is a series of atoms with p orbitals available. 2 electrons in the alkene pi bond 2 electrons in an alkyne pi bond 4 electrons in an alkyne pi bond 1 or 2 unshared electrons on atoms adjacent to a pi bond or s Center psp2 1 or 2 unshared electrons two atoms away from a pi bond or s center psp2 1 or 2 unshared electrons on an atom that is part of a pi bond 2 electrons in a C-O or C-N pi bond

Explanation / Answer

1st bond is sigma bond
If there are more than 1 bond between 2 species, the extra bond/bonds are called pi bonds

Answer:
2 electrons in alkene pi bond
4 electrons in an alkyne pi bond
2 electrons in a C=O or C=N pi bonds

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