Answer:
H2
Step-by-step explanation:
The gas which is considered to be ideal is helium as it has a single atom. Among the options for this question, H2 is the gas which has properties similar to ideal gas.
The characteristics of an ideal gas are:
- They have a small structure
- They do not tend to form electrical bonds with other neighbouring molecules.
Molecules of H2 exhibit both these properties hence H2 is the correct option.