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    Can someone explain this question to me

    I understand G is an aldehyde meaning the C=O bond must be in the middle.
    And for optical isomers it must be chiral.

    I don't get the ms though what is CHO?

    Like is the C=O and then a hydrogen attached to the carbon? Also is that from the central carbon?
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    Is this as chemistry
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    (Original post by Super199)
    Can someone explain this question to me

    I understand G is an aldehyde meaning the C=O bond must be in the middle.
    And for optical isomers it must be chiral.

    I don't get the ms though what is CHO?

    Like is the C=O and then a hydrogen attached to the carbon? Also is that from the central carbon?
    Brilliant idea including the mark scheme but not the question ...
 
 
 
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