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help me in chem

why the answer of i is 1-3 and 2-4?IMG_20200408_011335-compressed.jpg.jpeg
Reply 1
Put your hands on top of each other. They can't be superimposed.

1 and 4
2 and 3

are the enantiomers. This is because they are exact mirror images of each other. The bonds (dashed / wedged) are opposite, this is a very simplistic way of looking at it until you learn R/S configs.

I noticed these questions are from the RSC Olympiad. I have an RSC Membership (I think you can make a free account that just gives access to these resources) and so I am more than happy to send you the mark schemes if you feel like they would productively benefit your work.
Original post by Claisen
Put your hands on top of each other. They can't be superimposed.

1 and 4
2 and 3

are the enantiomers. This is because they are exact mirror images of each other. The bonds (dashed / wedged) are opposite, this is a very simplistic way of looking at it until you learn R/S configs.

I noticed these questions are from the RSC Olympiad. I have an RSC Membership (I think you can make a free account that just gives access to these resources) and so I am more than happy to send you the mark schemes if you feel like they would productively benefit your work.

Good you can help.
Original post by Claisen
Put your hands on top of each other. They can't be superimposed.

1 and 4
2 and 3

are the enantiomers. This is because they are exact mirror images of each other. The bonds (dashed / wedged) are opposite, this is a very simplistic way of looking at it until you learn R/S configs.

I noticed these questions are from the RSC Olympiad. I have an RSC Membership (I think you can make a free account that just gives access to these resources) and so I am more than happy to send you the mark schemes if you feel like they would productively benefit your work.


Original post by Claisen
Put your hands on top of each other. They can't be superimposed.

1 and 4
2 and 3

are the enantiomers. This is because they are exact mirror images of each other. The bonds (dashed / wedged) are opposite, this is a very simplistic way of looking at it until you learn R/S configs.

I noticed these questions are from the RSC Olympiad. I have an RSC Membership (I think you can make a free account that just gives access to these resources) and so I am more than happy to send you the mark schemes if you feel like they would productively benefit your work.


thank u for helping me. u mean resources like past papers or sth? but what is that RSC web? I got this question from ukcho
(edited 4 years ago)

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