A compound exists in the gaseous state both as monomer A and dimer `A_(2)`. The M wt of monomer is 48. in an experiment 96 g of the compound was confiermed in vessel of 33.6 L and heated to `273^(@)C`. Calculate the pressure developed, if compound exists as a dimer to the extent of 50% by weight under the conditions

Options

A. 0.9 atm
B. 4.0 atm
C. 2.0 atm
D. 1.0 atm

Answer

C

Explanation

(c) Wt. of compound is 96g. The compounds exists as 50% monomer and 50% dimer.
moles of monomer`=(48)/(48)=1`
moles of dimer`=(48)/(96)=0.5 `
`therefore P=(1.5xx0.0821xx(273+273))/(33.6)=2.00` atm