what is halogens and sulphur?

Q. Sulphur forms hydroxy halides with all halogens.

Q. Discuss the principle of estimation of halogens, sulphur and phosphorus present in an organic compound.

Q. Assertion :Fluorine combines with sulphur to form $S{F}_6$ but no other halogen forms hexahalide with sulphur. Reason: The reactivity of halogens increases as the atomic number increases.

Q. The fusion of an organic compound with solid sodium hydroxide is undertaken for testing nitrogen,sulphur and halogens. This test is called:

Q. The fusion of an organic compound with solid sodium metal is undertaken for testing nitrogen, sulphur and halogens. This test is called: