Organic Chem

Which of the following alkenes do not show cis-trans isomerism?

I) 2-methyl-2-hexene
II) 1-chloro-1-butene
III) 1-methylcyclohexene
IV) 2-methyl-3-hexene

a) I, II
b) III, IV
c) II, III, IV
d) I, III

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  1. I think that it might be "c"?????

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  2. If you draw out the chain you wil see that in (ii) Cl can be cis or trans to the main chain.

    You need to draw each of these, it is hard just from the names.

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