Sodium thiosulphate is prepared by...

Sodium thiosulphate is prepared by

A

reducing `Na_(2)SO_(3)` solution with `H_(2)S`

B

Boiling `Na_(2)SO_(3)` with S in alkaline medium

C

Neutralising `H_(2)S_(2)O_(3)` solution with NaOH

D

Boiling `Na_(2)SO_(3)` with S in an acidic medium

Text Solution

Verified by Experts

The correct Answer is:

B

`Na_(2)SO_(3) + S underset(OH^(-))overset("Boiling")rarr Na_(2)S_(2)O_(3)`

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