The total number of isomer including stereosisomers for 1,2-dimethyl cyclobutane is:

The toal number of isomers including stereoisomers for 1,3- dimethyl cyclohexane is:

The toal number of isomers including stereoisomers for 1,3-dimethly cyclohexane is:

The number of isomers including stereoisomers possible for dibromobutane is

The total number of isomers including stereoismers that could be obtained by replacing two hydrogen atoms of propane by two chlorine atoms are :

Given the total number of isomers, including stereoisomers, obtained on monochlorination of isopentane.

Given the total number of isomers, including stereoisomers, obtained on dichlorination of paropane.