The minimum number of carbon atoms that should be present in a carbonhydrate is :

The minimum number of carbon atoms that should be present in an alicyclic hydrocarbon for it to show geometrical isomerism is "

The minimum number of carbon atoms to be present in an alkyne to exhibit chain isomerism

The minimum number of carbon atoms an alkane should contain in order to exhibit optical activity is:

Number of chiral carbon atoms is is

The minimum number of carbon atoms in ketone to show position isomerism :-

The minimum number of C atoms required to be present in an optically active alkene are: