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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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RESONANCE ENGLISH-NITROGEN & OXYGEN FAMILY-Part-II National Standard Examination in chemistry
  1. Sodium thiosulphate is prepared by

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  2. Name all the elements of nitrogen family.

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  3. Name all the elements of oxygen family.

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  4. When white phosphorus is heated with NaOH solutions, we get

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  5. The reaction 3O(2)(g) rarr 2O(3)(g), Delta(r )H > 0. What can be conc...

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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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  8. Bone glow in the dark. This is due to

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

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  10. What is the product formed when: Na(3)PO(4) is hydrolysed.

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  11. What is the product formed when: Na(2)S(2)O(4) is hydrolysed

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  12. What is the product formed when: Na(2)S(2)O(3) is hydrolysed

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  13. The nitrogen compound that is formed when NH(4)Cl reacts with sodium h...

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  14. The oxide of nitrogen formed when NH(4)NO(3) is heated is

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  15. The nitrogen compound formed when AlN reacts with water is

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  16. The nitrogen compound formed when Mg(3)N(2) reacts with water is

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

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  18. The nitrogen compound formed when (NH(4))(2)SO(4) is heated is

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  19. The chemical formula of 'laughing gas' is

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  20. Phosphine is prepared by the action of

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