A monometer contains a liquid of density `5.44g//cm^(3)` is attached to a flask containing gas 'A' as follows If gas A undergoes` 30%` trimerisation `[3A(g)ltimpliesA_(3)(g)]` then the difference in height of the liquid level in two columns is:
A
38 cm
B
7.6 cm
C
3.04 cm
D
15.1 cm
Text Solution
Verified by Experts
The correct Answer is:
b
(b) `3A(g)ltimpliesA_(3)(g)` `{:(t=0,1.2atm,A_(3)(g)),(t=t_(eq.),1.2-0.36,(1)/(3)(0.36)=0.12atm):}` `:. " "P_(T)`=1.2=0.36+0.12=0.96 atm `:.` Pressure difference in column =1 - 0.96=0.04 atm `:.` The difference in height of the liquid level in two columns=`0.04xx190=7.6cm`
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