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Give reason, Mn^(2+) ion is more paramag...

Give reason, `Mn^(2+)` ion is more paramagnetic than `Fe^(2+)` ion.

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. A compound has been found to have magnetic moment of 3.9 B.M. How many...

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  2. Name the catalyst of Vanadium used for oxidation of SO2 to SO3 in cont...

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  3. Give reason, Mn^(2+) ion is more paramagnetic than Fe^(2+) ion.

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  4. What is the oxidation state of Cr in K2Cr2O7?

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  5. Fill in the blanks : The orange colour of dichromate solution changes ...

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  6. Fill in the blanks : MnO2 on heating with potassium hydroxide in the p...

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  7. Fill in the blanks : Chromite is ...........

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  8. What happens when 28% of copper, 2% of iron and 70% of nickel combine ...

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  9. What happens when 60% of copper and 40% of nickel combine together?

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  10. The oxidation state of chromium in dichromate ion (Cr2O7^(2-)) and chr...

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  11. What is the oxidation state of Mn is manganate ion.

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  12. What is the oxidation state of Cr in CrO5.

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  13. Calculate equivalent weight of KMnO4 in acidic medium.

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  14. Calculate equivalent weight of KMnO4 in alkaline medium.

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  15. Complete the chemical reaction : MnO4^(-)+ SO2+ H^(+) rarr

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  16. Complete the chemical reaction : S2O3^(2-)+ Cr2O7^(2-)+ H^(+) rarr

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  17. What happens when 80% of copper combines with 20% of tin?

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  18. What is chromyl chloride test for chlorides ?

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  19. Why is La(OH)3 more basic than Lu(OH)3 ?

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  20. What is the most common oxidation state in the Lanthanoids ?

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