Question

Carbon–di–sulphide is poured into a test tube containing a mixture of iron filings and sulphur powder. after shaking the contents of the test tube it is observed that : (a) sulphur dissolves and iron filings float (b) some brown gases are evolved (c) three separate layers are formed (d) a yellow solution is formed and iron filing settle down

Answer 1

(a) sulphur dissolves and iron fillings are left behind.

Carbon disulphide can dissolve sulphur in sulphur and iron fillings mixture therefore leaving behind iron to float.