There is only one isomer (ignoring rapidly interconverting rotamers).
12 isomers can be formed. 1-pentene cis-2-pentene and trans-2-pentene 2-methyl-1-butene 3-methyl-1-butene 2-methyl-2-butene 1,1-dimethylcyclopropane (1R, 2R)-1,2-dimethylcyclopropane (1S,...
one
There are only two polar isomers for c2h2cl2 molecule.
taking more than the recommended dose will harm you because it messes up your liver...although saying that, I've taken 5 extra strength paracetamols at once with no side effects (i thought i'd make...
Two: 1,1-dichloroethane and 1,2-dichloroethane.