List-II give the values of γ (- Cp, m/Cv, m) at high temperature of gases which are shown in column — AITS & Test Series Chemistry Question

Question

List-II give the values of γ (- Cp, m/Cv, m) at high temperature of gases which are shown in column I. Identify the gas with the corresponding γ values. List -I (I) Monatomic | (P) 1.154 (II) Diatomic | (Q) 1.286 (III) Linear Triatomic | (R) 1.167 (IV) Nonlinear Triatomic | (S) 1.407 | (T) 1.667 Which of following is correct match