isomerism
1aiv) why does the double bond disappear when we draw the isomer
2biii) i drawed the middle structure in the answer but dont understand which is carbon 1 2 3 4 . according to them carbon 3 is the top right
https://pmt.physicsandmathstutor.com/download/Chemistry/A-level/Topic-Qs/AQA/Organic-I/3.1-Introduction-to-Organic-Chemistry/Set-F/Isomerism%203%20QP.pdf
https://pmt.physicsandmathstutor.com/download/Chemistry/A-level/Topic-Qs/AQA/Organic-I/3.1-Introduction-to-Organic-Chemistry/Set-F/Isomerism%203%20MS.pdf
2biii) i drawed the middle structure in the answer but dont understand which is carbon 1 2 3 4 . according to them carbon 3 is the top right
https://pmt.physicsandmathstutor.com/download/Chemistry/A-level/Topic-Qs/AQA/Organic-I/3.1-Introduction-to-Organic-Chemistry/Set-F/Isomerism%203%20QP.pdf
https://pmt.physicsandmathstutor.com/download/Chemistry/A-level/Topic-Qs/AQA/Organic-I/3.1-Introduction-to-Organic-Chemistry/Set-F/Isomerism%203%20MS.pdf
Original post by Jshek
1aiv) why does the double bond disappear when we draw the isomer
2biii) i drawed the middle structure in the answer but dont understand which is carbon 1 2 3 4 . according to them carbon 3 is the top right
https://pmt.physicsandmathstutor.com/download/Chemistry/A-level/Topic-Qs/AQA/Organic-I/3.1-Introduction-to-Organic-Chemistry/Set-F/Isomerism%203%20QP.pdf
https://pmt.physicsandmathstutor.com/download/Chemistry/A-level/Topic-Qs/AQA/Organic-I/3.1-Introduction-to-Organic-Chemistry/Set-F/Isomerism%203%20MS.pdf
2biii) i drawed the middle structure in the answer but dont understand which is carbon 1 2 3 4 . according to them carbon 3 is the top right
https://pmt.physicsandmathstutor.com/download/Chemistry/A-level/Topic-Qs/AQA/Organic-I/3.1-Introduction-to-Organic-Chemistry/Set-F/Isomerism%203%20QP.pdf
https://pmt.physicsandmathstutor.com/download/Chemistry/A-level/Topic-Qs/AQA/Organic-I/3.1-Introduction-to-Organic-Chemistry/Set-F/Isomerism%203%20MS.pdf
An isomer has to have the same molecular formula, in this case C4H8
A functional group isomer must change the functional group. The only way you can do this with a double bond and no heteroatoms is by using alicyclic structures.
Original post by Jshek
1aiv) why does the double bond disappear when we draw the isomer
2biii) i drawed the middle structure in the answer but dont understand which is carbon 1 2 3 4 . according to them carbon 3 is the top right
https://pmt.physicsandmathstutor.com/download/Chemistry/A-level/Topic-Qs/AQA/Organic-I/3.1-Introduction-to-Organic-Chemistry/Set-F/Isomerism%203%20QP.pdf
https://pmt.physicsandmathstutor.com/download/Chemistry/A-level/Topic-Qs/AQA/Organic-I/3.1-Introduction-to-Organic-Chemistry/Set-F/Isomerism%203%20MS.pdf
2biii) i drawed the middle structure in the answer but dont understand which is carbon 1 2 3 4 . according to them carbon 3 is the top right
https://pmt.physicsandmathstutor.com/download/Chemistry/A-level/Topic-Qs/AQA/Organic-I/3.1-Introduction-to-Organic-Chemistry/Set-F/Isomerism%203%20QP.pdf
https://pmt.physicsandmathstutor.com/download/Chemistry/A-level/Topic-Qs/AQA/Organic-I/3.1-Introduction-to-Organic-Chemistry/Set-F/Isomerism%203%20MS.pdf
In question b) no numbering is necessary as the simple structure names are non-ambiguous.
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