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Question

Question: In which of the following processes colloidal sulphur is formed ?...

In which of the following processes colloidal sulphur is formed ?

A

FeCl2 + H2S

B

FeCl3 + H2S

C

H2SO4 + H2S2O8

D

SO2 + Cl2

Answer

FeCl3 + H2S

Explanation

Solution

Colloidal S is formed when H2S is mixed into any oxidising agent