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Isomer

for 4b) i got 1 chiral centre but in the mark scheme it says 2 chiral forms . how is the 2 chrial forms when they are all the same groups

https://pmt.physicsandmathstutor.com/download/Chemistry/A-level/Topic-Qs/AQA/Organic-II/3.07-Optical-Isomerism/Set-F/Optical%20Isomerism%201%20QP.pdf

https://pmt.physicsandmathstutor.com/download/Chemistry/A-level/Topic-Qs/AQA/Organic-II/3.07-Optical-Isomerism/Set-F/Optical%20Isomerism%201%20MS.pdf
Reply 1
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Pigster
20
Original post by Jshek


It is reduced to butan-2-ol, which occurs as a pair of optical isomers. The r and s versions.
Reply 2
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Jshek
OP
12
Original post by Pigster
It is reduced to butan-2-ol, which occurs as a pair of optical isomers. The r and s versions.

Whats the r and s version? ive never been taught it
Reply 3
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Pigster
20
Original post by Jshek
Whats the r and s version? ive never been taught it

Have you at least been taught about optical isomerism?

Can you draw the two mirror images of butan-2-ol?

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