How to distingush between sodium sulphite and sodium sulphide using a chemical test?

Asked by dmondal | 23rd Dec, 2016, 08:49: PM

Expert Answer:

With Sulphuric acid, sodium sulphide liberates H2S.
Na2S + H2SO4 --> Na2SO4 + H2S
 
With sulphuric acid, sodium sulphite liberates SO2 along with water.
Na2SO3 + H2SO4 -->Na2SO4 + H2O + SO2

Answered by Vaibhav Chavan | 24th Dec, 2016, 09:47: PM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.