1.

Which of the following can exist as geometric isomers ?

Answer»

`ClCH_(2)C-=C CH_(3)`<BR>`ClCH_(2)-CH=CH-CH_(2)Cl`
`CH_(2)=CHCHO`
`CH_(2)=underset(CH_(3))underset("|")"C "-CH_(2)CH_(3)`

Solution :Ethylene dibromide (Br has larger size than `CH_(3)-` group).


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