Collision diameter is least in case of (1) H_2 , (2) He: (3) CO_2 : (4) N_2 Indicate with the number in brackets.

Collision diameter is least in case of (1) H_2 , (2) He: (3) CO_2 : (4

1.	Collision diameter is least in case of (1) H_2 , (2) He: (3) CO_2 : (4) N_2 Indicate with the number in brackets.
Answer» SOLUTION :He has LEAST `SIGMA.`