Are methyl propene and 2-methyl propene the same isomer Watch

Shadowninja107
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Is it that methylpropene is the more correct title?
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Protoxylic
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The 2 isn't needed as there is only one position the methyl group can be positioned in order for it to actually be methylpropene.
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charco
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(Original post by Shadowninja107)
Is it that methylpropene is the more correct title?
As in the previous post ...

You will often see molecules with a locant (locating number) which is not required for unambiguity.

If the position of an attachment is unambiguous without a locant then it becomes redundant.

However, it may be considered 'extra' help in delivering the molecular structure by an exam board and so is used.

methylpropane is correct, but if you put 2-methylpropane you will probably also get the name mark.
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