1.

For the preparation of sodium phiosulphate by "springs reaction", the reactants used are

Answer»

`Na_(2)S+Na_(2)SO_(3)+Cl_(2)`
`Na_(2)S+SO_(2)`
`Na_(2)SO_(3)+S`
`Na_(2)S+Na_(2)SO_(3)+I_(2)`

SOLUTION :`Na_(2)S+I_(2)+Na_(2)SO_(3)toNa_(2)S_(2)O_(3)+2NaI`


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