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Na(2)S(2)O(3) is prepared by :...

`Na_(2)S_(2)O_(3)` is prepared by :

A

reaching `H_(2)S_(2)O_(3)` with `NaOH`.

B

reacting `Na_(2)SO_(4)` with S is alkaline medium.

C

heating `NaOH` and S

D

reducing `Na_(2)SO_(4)` with S in acidic medium.

Text Solution

Verified by Experts

The correct Answer is:
C
`6NaOH(aq)+4S(s)overset(Delta)toNa_(2)S_(2)O_(2)(aq)+3H_(2)O(l)`.
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RESONANCE-P BLOCK ELEMENTS-ALP PART 1 OBJECTIVE
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  2. Which ion cannot be oxidizes by ozone?

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  3. Which of the following solutions does not change its colour on passing...

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  4. A green coloured solution of a salt changes its colour to light pink o...

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  5. Mercury loses its meniscus on passing ozone through it. The menicus ca...

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  6. All the following decompes easily on heating to give oxygen except :

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  7. What is the product formed when ozone reacts with mercury?

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  8. Which one of the following properities is correct for ozone ?

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  9. By which of the following SO(2) is formed ?

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  10. SO(2) reacts with chlorine in sunlight to form :

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  11. The products of the chemical reaction between Na(2)S(2)O(3),Cl and H(2...

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  12. When sulphur is boiled with Na(2)SO(4) solution, the compound formed i...

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  13. Na(2)S(2)O(3) is prepared by :

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  14. The oxidation states of sulphur in the anions SO(3)^(2-), S(2)O(4)^(2-...

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  15. Ammonium dichromate on heating liberates a gas. The same gas will be o...

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  16. Nitrozen (i) oxide is produced by

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  17. Select the incorect statement(s).

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  18. Which of the following is//are incorrect statement(s) for phosphine ?

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  19. What is//are not true abut phosphine (PH(3))?

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  20. Hyderolysis (complete) of peroxodisulphuric acid yields hydrogen perox...

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