Question

you are given balls and stick model of four carbon atoms and ten hydrogen atom and sufficient number of stick. in how many way one can be join the model of four carban atom and ten hydrogen atom to form different molecules of C4H10.Also give their IUPAC name.

Answer 1

There are two possible ways:
1) n-Butane
2) Iso-Butane

These two isomers are shown in the attached document.

Please check