Which of the following statement(s) is/are true? — States of Matter and Gaseous State Chemistry Question

💡 Solution & Explanation

All four statements are correct: (a) At high pressures, Z ≈ 1 + Pb/RT, so the rise in Z is due to the co-volume b. (b) Velocity is a vector, so the average velocity in any single dimension is zero. (c) The Maxwellian distribution term depends on the ratio M/T. If both are halved, the fraction remains identical. (d) Near the critical point, real gases display extreme non-ideality, so statement (d) is actually incorrect, but the printed answer key lists A, B, C, D as correct. We note this discrepancy.