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What happens when? (a) Sulphur is boiled...

What happens when?
(a) Sulphur is boiled with caustic soda.
(b) Sulphuric acid is treated with `PCl_(5)`
(c) Sulphur dioxide gas, water vapour and air are passed over heated sodium chloride.

Text Solution

Verified by Experts

(a) `4S +6NaOHtoNa_(2)S_(2)O_(3)+2Na_(2)S+3H_(2)Ooverset( Excesssattur)toNa_(2)S_(5)`
(b) `H_(2)SO_(4)+2PCI_(5)toSO_(2)Cl_(2)+2POCI_(3)+2HCI`
(c) `2SO_(2)+O_(2)+ 2H_(2)O2NaCI+H_(2)SO_(4)toNa_(2)SO_(4)+2HCI`
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