JEE Advanced 2020 Full Test 6 Paper 2

Question : 23 of 54

Marks: +1, -0

When 2.3×10−5g steric acid (M=284) was placed on water as a surface film, the film could be compressed to an area of 100sqcm as a monomolecular layer. Find the crosssection of the acid molecule. (cm2)