Home
Class 12
CHEMISTRY
In neutral or faintly alkaline medium, t...

In neutral or faintly alkaline medium, thiosulphate is quantitatively oxidized by `KMnO_(4)` is

A

`SO_(3)^(2-)`

B

`SO_(4)^(2-)`

C

`SO_(2)`

D

`SO_(5)^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
B
In neutral or faintly alkaline medium thiosulphate is quantitatively oxidized by `KMnO_(4)` to `SO_(4)^(2-)`
`8KMnO_(4)+3Na_(2)S_(2)O_(3)+ H_(2) O to 3K_(2)SO_(4)+8MnO_(2)+3Na_(2)SO_(4)+2KOH`
Promotional Banner

Topper's Solved these Questions

  • SURFACE CHEMISTRY

    DISHA|Exercise Chemistry|44 Videos

  • THE p-BLOCK ELEMENTS (GROUP 15, 16, 17 AND 1 8)

    DISHA|Exercise MCQ|44 Videos

Similar Questions

Explore conceptually related problems

In netural of faintly alkaline medium, thiosulphate is quantitatively oxidized by KMnO_(4) to

in neutral or faintly alkaline solution, 8 moles of permanganate anion quantitatively oxidize thiosulphate anions to produce X moles of a sulphur containing product. The magnitude of X is

in neutral or faintly alkaline solution, 8 moles of permanganate anion quantitatively oxidize thiosulphate anions to produce X moles of a sulphur containing product. The magnitude of X is

In mildly alkaline medium, thiosulphate ion is oxidized by MnO_(4)^(-) to "A". The oxidation state of sulphur in "A" is ______

Describe the oxidising property of KMnO_(4) in neutral or faintly alkaline medium for its reactions with iodide and thiosulphate ions.

DISHA-THE d-AND f-BLOCK ELEMENTS-MCQ
  1. What is the percentageoflanthanoid metal in mischmetall?

    Text Solution

    |

  2. Which of the following in its oxidation state shows the paramagnetism?

    Text Solution

    |

  3. In neutral or faintly alkaline medium, thiosulphate is quantitatively ...

    Text Solution

    |

  4. Wrought iron, pig iron and steel differ in properties due to

    Text Solution

    |

  5. The lanthanide contraction is responsible for the fact that

    Text Solution

    |

  6. KMnO(4) can be prepared from K(2)MnO(4) as per the reaction, 3MnO(4)^(...

    Text Solution

    |

  7. On the basis of data given below, E(Sc^(3+)//Sc^(2+))^(@)=-0.37V,E(M...

    Text Solution

    |

  8. Green vitriol is

    Text Solution

    |

  9. Number of moles of K(2)Cr(2)O(7) reduced by one mole of Sn^(2+) ions i...

    Text Solution

    |

  10. Four successive members of the first series of the transition metals a...

    Text Solution

    |

  11. Which of the following factors may be regarded as the main cause of la...

    Text Solution

    |

  12. AgCl is soluble in NHpH solution. The solubility is due to the formati...

    Text Solution

    |

  13. Oxidation states of the metal in the minerals haematite and magnetite,...

    Text Solution

    |

  14. In acidic medium KMnO(4) oxidises FeSO(4) solution. Which of the follo...

    Text Solution

    |

  15. In which of the following lanthanides oxidation state +2 is most stabl...

    Text Solution

    |

  16. Acidified solution of chromic acid on treatment with H(2)O(2) gives bl...

    Text Solution

    |

  17. Which of the following is used in the preparation of chlorine?

    Text Solution

    |

  18. An explosion take place when conc. H(2)SO(4) is added to KMnO(4). Whic...

    Text Solution

    |

  19. Which of the following statements are correct? (i) Chromium has the hi...

    Text Solution

    |

  20. In the laboratory, manganese (II) salt is oxidised to permanganate ion...

    Text Solution

    |