20 ml of a mixture of CO and H2 were mixed with excess of O2 and exploded and cooled. There was a volume contraction of 18 mL. All volume measurements corresponds to room temperature (27°C) and one atmospheric pressure. Determine the volume ratioV1:V2 of CO and H2 in the original mixture.

see full answer

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

1:2

3 : 2

2:3

4 : 1

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

COx+12O2x/2⟶CO2x H2(20−x)+12O220−x2⟶H2O(l); Volume contraction= V.R-V.P=(x+x2-x)+[20-x+12(20-x)-0] 18=x2+3(20-x)2x=12mL=COH2=8mLVCO:VH2=12:8=3:2

Watch 3-min video & get full concept clarity