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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_(3)` solution with S in alkaline medium

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
B
`Na_(2)SO_(3) +S overset(NaOH)to underset("Sod. Thiosulphate")(Na_(2)S_(2)O_(3))`
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Statement -1 : Sodium thiosulphate is not prepared by boiling Na_(2)SO_(3) with S in acidic medium. Statement -2 : Na_(2)S_(2)O_(3)+H^(+) to 2Na++H_(2)SO_(3)+Sdarr

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ERRORLESS -S AND P BLOCK ELEMENTS-JEE Section (Only choice correct answer)
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