Subject: Physical Chemistry · Chapter: Surface Chemistry · Topic: Surface Chemistry – General · Exam: NET DEC 2016 · Marks: 2 · Difficulty: Medium
When $1 \times 10^{-5}$ g of a fatty acid ($\mathrm{M}=602.3$ g/mol) was placed on water as a surface film, a monomolecular layer of area $100\,\mathrm{cm^{2}}$ was formed on compression. The cross-sectional area (in $\mathrm{\mathring{A}}^{2}$) of the acid molecule is