26. One Hitre mixture of CO and CO₂ becomes 1.5L, when passed over red hot charcoal. The % composition of mixture is:
(a) CO = 60%, CO₂ = 40%
(b) CO= 40%, CO₂ = 60%
(c) CO= 50%, CO 50%
(d) CO -70%, CO₂ = 30%​