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A-level chemistry. Draw a labelled diagram to show the formation of the π-bond.

OCR A
Draw a labelled diagram to show the formation of the π-bond.

It is on PMT AS-level module 4, alkenes, question 12a

Markscheme is not visible for me so i just need help understandning what the mark scheme correct drawing is
Reply 1
Original post by Xenqor222
OCR A
Draw a labelled diagram to show the formation of the π-bond.

It is on PMT AS-level module 4, alkenes, question 12a

Markscheme is not visible for me so i just need help understandning what the mark scheme correct drawing is

https://pmt.physicsandmathstutor.com/download/Chemistry/A-level/Topic-Qs/OCR-A/4-Core-Organic-Chemistry/Set-G/4.1.3%20Alkenes%20MS.pdf

There's a decent page on chemguide on this: https://www.chemguide.co.uk/basicorg/bonding/ethene.html
Basically it's some p orbitals overlapping :smile:
Reply 2

Thanks but I still can’t see the mark scheme. If you scroll down to 12a, only half of the image is visible. I get that’s it’s two p orbitals but I don’t get how to draw it (correct to the mark scheme)

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