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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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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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RESONANCE-NITROGEN & OXYGEN FAMILY-Part-II National Standard Examination in chemistry
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  3. Which of the halide is unstable ?

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  6. The anhydride of nitric acid is

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  7. The geometry of ammonia molecule can be best described as

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  9. Inert pair effect plays an important role in the case of

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  10. In the presence of an anthraquinone derivatives as a catalyst, the aqu...

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  11. In the above reaction (in Q.99) Na(2)S(2)O(4) acts as a

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  12. The ozone hole in the upper atmosphere of the earth is due to the brea...

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  13. The electron -pair geometry of the central oxygen atom of ozone is

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  15. The compound which can act as an oxidizing agent as well as reducing a...

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  17. The nitrogen compound formed when CaCN(2) reacts with steam or hot wat...

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  19. The chemical formula of 'laughing gas' is

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