The minimum number of C atoms an alkyne must have to show diastereomerism:

What is the minimum number of carbon atoms of an alkane must have to form an isomer?

Which has minimum number of atoms ?

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

The minimum number of C atoms present in ketone is-

The minimum numbers of carbon atoms in ketones which will show chain isomerism will be

Minimum numbe of C atoms for an alkene hydrocarbon, that shows geometrical & optical isomerism bothe ( not consider the isotopes)

The minimum number of carbon atoms to be present to write an ester is

i. (A), a compound with lowest number of C atoms, is unsaturated hydrocarbon and is optically active. ii. (B), a compound with lowest number of C atoms, is unsaturated hydrocarbon and shows diastereomerism. iii. (C), a compound with lowest number of C atoms and unsaturated hydrocarbon, shows both optical and geometrical isomerism. Following is the reaction sequence of A, B, and C. The structure of compound (C) is: