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Sodium thiosulphate is prepared by...

Sodium thiosulphate is prepared by

A

Reducing `Na_(2)SO_(4)` solution with `H_(2)S`

B

Boiling `Na_(2)SO_(4)` solution with S in alkaline medium

C

Neutralising `H_(2)SO_(4)` solution with `NaOH`

D

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

Text Solution

Verified by Experts

The correct Answer is:
D
One of the methods to prepare sodium thiosulphate is to heat sodium sulphat with sulphur in alkaline medium.
`Na_(2)SO_(3)+S overset(OH.Delta)rarr Na_(2)S_(2)O_(3)`
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