For helium vander Waals parameter bis 0.024 lit/mol. The diameter of h

1.	For helium vander Waals parameter bis 0.024 lit/mol. The diameter of helium is nearly
Answer» `1.7 A^@` `2.7A^@` `3.7 A^@` `4.0 A^@` Solution :`b = 4 XX 6 xx 10^(23) xx V_("molecule")` `0.04 xx 10^(-3) = 4 xx 6 xx 10^(23) xx 4/3 pi (d/2)^2` `implies d = 2.67 xx 10^(-10) m = 2.67 Å`.

Discussion