What are the disadvantages of heating the mixture of NaCl & H2SO4 above 200°C in the preparation of HCl gas?
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Hey there....!!
The disadvantages of heating the mixture of Common Salt & Concentrated Sulphuric Acid above 200° C during the preparation of Hydrogen Chloride Gas are as follows ====>>
(1) The apparatus made up of glass may crack
(2) A lot of fuel is wasted
(3) Instead of sodium bisulphate, Sodium Sulphate is formed that forms a hard crust that sticks to the glass and is really difficult to remove.
The disadvantages of heating the mixture of Common Salt & Concentrated Sulphuric Acid above 200° C during the preparation of Hydrogen Chloride Gas are as follows ====>>
(1) The apparatus made up of glass may crack
(2) A lot of fuel is wasted
(3) Instead of sodium bisulphate, Sodium Sulphate is formed that forms a hard crust that sticks to the glass and is really difficult to remove.
Swarup1998:
Great answer! (:
Gr8 answer ..@ avanii
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