Question

If four gases A, B, C & D having moles 0.25, 1.5, 1.0 & 1.25 respectively. The ratio in their partial pressure is respectively, if total pressure of the mixture is 800mmHg
(a) 1:2:4:5
(b) 5:4:6:1
(c) 1:6:4:5
(d) 1:3:4:5
(kindly help me solve this question) correct answer is "c" how?​

Answer 1

Answer:

C.

P=NXk. k=RT/V

SO, Pa:Pb:Pc;Pd=Na:Nb: Nc: Nd

= 0.25:1.5:1.0:1.25

=1:6:4:5