At 27°C a closed vessel contains equal weight of He, CH4 and SO2 exerts a pressure of 210 mm. and partial pressures of He, CH4 and SO2 are P1, P2 and P3. Which one of the following is correct?

At 27°C a closed vessel contains equal weight of He, CH4 a

1.	At 27°C a closed vessel contains equal weight of He, CH4 and SO2 exerts a pressure of 210 mm. and partial pressures of He, CH4 and SO2 are P1, P2 and P3. Which one of the following is correct?
A.	P3 > P2 > P1
B.	P1 > P2 > P3
C.	P1 > P3 > P2
D.	P2 > P3 > P1
Answer» C. P1 > P3 > P2