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Assertion : KMNO4 acts as an oxidising a...

Assertion : `KMNO_4` acts as an oxidising agent in acidic, basic or neutral medium.
`KMnO_4` oxidises ferrous sulphate to ferric sulphate.

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Stannous sulphate (SnSO_(4)) and potassium permanganate are used as oxidising agents in acidic medium for oxidation of ferrrous ammnium sulphate to ferric sulphate. The ration of number of moles of stannous sulphate required per mole of ferrous ammonium sulphate to the number of moles of KMnO_(4) required per mole of ferrous ammonium sulphate, is:

Stannous sulphate (SnSO_(4)) and potassium permanganate are used as oxidising agents in acidic medium for oxidation of ferrrous ammnium sulphate to ferric sulphate. The ration of number of moles of stannous sulphate required per mole of ferrous ammonium sulphate to the number of moles of KMnO_(4) required per mole of ferrous ammonium sulphate, is:

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ICSE-d- AND- f- BLOCK ELEMENTS-EXERCISE (PART-II) (DESCRIPTIVE QUESTIONS)(SHORT ANSWER QUESTIONS)
  1. What are different oxidation states exhibit by lanthanoids?

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  2. Explain the following terms : (a) Chemistry of all Lanthanoids is so...

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  3. What is the electronic difference between lanthanoids and actinoids? W...

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  4. Name the elements with atomic number 58 and 59 and write their electro...

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  5. What are inner-transition elements? Write their general electronic con...

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  6. Define lanthanoids. Give three differences between lanthanoids and act...

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  7. What happens when : (i) Acidified K2Cr2O7 reacts with Kl. (ii) K2...

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  8. The sums of first and second ionisation energies and those of third an...

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  9. Of the ions Ag^(+),Co^(2+) and Ti^(4+) ,which ones will be coloured in...

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  10. Among ionic species, Sc^(3+), Ce^(4+) and Eu^(2+), which one is a goo...

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  11. of the ions Co^(2+), Sc^(3+) and Cr^(3+) which one will give coloured ...

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  12. A transition element forms alloys with other transition metals easily....

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  13. (i) Give the formula which expresses the general electronic configurat...

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  14. [Ti(H2O)6]^(3+) is coloured while [Sc(H2O)6]^(3+) is colourless . Expl...

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  15. Represent the reaction of acidified K2Cr2O7 with: (i) KI solution (...

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  16. Assertion : KMNO4 acts as an oxidising agent in acidic, basic or neutr...

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  17. How is that in alkaline solution we have chromate and in acidic soluti...

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  18. Decribe, how potassium dichromate is prepared from chromite. Write the...

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  19. Describe how potassium permanganate is prepared from pyrolusite. Write...

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  20. What is lanthanoid contraction? What are the consequences of lanthanoi...

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