How many 1H NMR signals would trans-1,2-dichlorocyclopropane give
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How many 1H NMR signals would trans-1,2-dichlorocyclopropane give

[From: ] [author: ] [Date: 12-04-27] [Hit: ]
Id expect 2 signals for that molecule.-1 for alkane (group 2?......
The number of 1H NMR signals is equivalent to the number of chemically different protons in the molecule.

The -CH2- group contains 2 protons, but they are chemically the same since they are exposed to equivalent environments. Both protons are exposed to a side of the ring that also contains another proton and a Cl atom.

The remaining protons are on different carbons, but they are also chemically the same. They are each attached to the same types of atoms and are exposed to similar environments.

Together, I'd expect 2 signals for that molecule.

-
1 for alkane (group 2?)
1 for cyclo
1 for halogen
1
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