211. Regarding a non-ionic detergent, how many of the following statements are correct?
$$(\mathrm{H=1,\ C=12,\ O=16,\ Na=23,\ S=32\ :\ g.mol^{-1}})$$
- All its atoms are connected to each other by covalent bonds.
- In industry, it is produced from complex petrochemical materials.
- The oxidation number of the sulfur atom in it equals the oxidation number of the sulfur atom in hydrogen sulfide.
- It is traditionally produced in the city of Maragheh and is suitable for oily hair.
- If an alkyl group attached to the benzene ring has 10 carbon atoms, its molar mass would be 322 g/mol.
(1) two (2) three (3) four (4) five