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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)` 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

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The correct Answer is:
B
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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 ENGLISH-P BLOCK ELEMENTS-Exercise 2 part 2 OBJECTIVE
  1. What is the mass of photon of sodium light having a wavelength of 6980...

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  2. The atomic number of an element is 17. The number of orbitals containi...

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  3. The atomic number of an element is 15. The number of orbitals containi...

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  4. A gas that cannot be collected over water is.

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  5. Bleaching of a fabric cloth is done using A and excess of chlorine is ...

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  6. Aqueous hypo solution on reaction with aqueous AgNO(3) gives :

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  7. Which of the following gives H(2)O(2) on hydrolysis ?

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  8. Which of the following does not have S-S linkage but have O-O linkage ...

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  9. There is no S-S bond in .

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  10. Sodium thiosulphate is prepared by

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  11. Ammonia , on reaction with hypochlorite anion, can form

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  12. As, Sb and Bi show little or no tendency to form negative ions of the ...

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  13. The atomic number of an element is 18. The number of orbitals containi...

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  14. Which of the following statement(s) is//are incorrect ?

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  15. Which of the following statements is (are) correct ?

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  16. Which of the following is//are true for oxygen.

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  17. Write the reaction for hydrogen peroxide and ozone ?

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  18. Sulphuric acid acts as

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  19. Which of these statement is true for sodium thiosulphate ?

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  20. Which among the following is//are peroxo acid (s) ?

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