At STP the volume of nitrogen gas required to cover a sample of silica gas, assuming larngmulr monolayer adsorption is found to be `1.30 gcm^(-2) g^(-1)` of the gel. The area occupied by a nitrogen molecule is `0.16nm^(2)`. What is the surface area per gram of silica gel ?A. `5.568m^(2)g^(-1)`B. `3.48m^(2)g^(-1)`C. `1.6m^(2)g^(-1)`D. None of these

At STP the volume of nitrogen gas required to cover a sample of silica

1.	At STP the volume of nitrogen gas required to cover a sample of silica gas, assuming larngmulr monolayer adsorption is found to be `1.30 gcm^(-2) g^(-1)` of the gel. The area occupied by a nitrogen molecule is `0.16nm^(2)`. What is the surface area per gram of silica gel ?A. `5.568m^(2)g^(-1)`B. `3.48m^(2)g^(-1)`C. `1.6m^(2)g^(-1)`D. None of these
Answer» Correct Answer - 1 No. of molecule per gm of `N_(2)` in monolayer `=(6xx10^(23))/(22400)xx1.30=3.48xx10^(19)` area of a molecule `=1.6xx10^(19)m^(2)` `:." "` Area covered by molecule per gram`=3.48xx10^(19)xx1.6xx10^(-19)=5.568m^(2)` `:. " "`Surface are `=5.568m^(2)g^(-1)`