Mohan heating a mixture of sulphur and iron filings in a china dish till the grey black product was formed . On adding carbon disulphide and stirring which substance will mix
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Sulphur and iron fillings are heated therefore the reaction is
S+Fe=FeS (Iron(II) Sulphide)
Now on mixing carbon disulphide nothing will mix into it. Sulphur can get dissolved in carbon disulphide but after forming a compound it cannot.
If carbon disulphide is poured into a mixture of sulphur of iron then sulphur will dissolve leaving behind iron.
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