An organic compound having C, H and S elements contains 4% sulphur. The minimum molecular weight of the compound is

Options

A. 800
B. 400
C. 200
D. 600

Answer

A

Explanation

Minimum one S atom must be present in the molecule. That means minimum weight of s is 32.
`4% 5 rArr` If 4 gm of S is present GMW is 100 32 gm of S is present GMW is ?
`(32xx100)/(4)=800 gm`
`therefore MW = 800`