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Complete the following reaction equation...

Complete the following reaction equation : `Cr_2O_7^(2-) + Sn^(2+) + H^(+) rarr`

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. A mixed oxide of iron and chromium, FeO.Cr2O3 is fused with sodium car...

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  2. Complete the following chemical equation : 8MnO4^(-)+ 3S2O3^(2-)+ H2O ...

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  3. Complete the following reaction equation : Cr2O7^(2-) + Sn^(2+) + H^(+...

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  4. Account for the following: Mn shows the highest oxidation state of +7 ...

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  5. Give reasons: Transition metals show variable oxidation states.

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  6. Give reasons: Actinoids show irregularities in their electronic config...

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  7. Transition elements and their compounds are found to be good catalysts...

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  8. How would you account for the following? The atomic radii of the metal...

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  9. How would you account for the following: There is a greater range of o...

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  10. Complete the following chemical equation : MnO4^(-)(aq) + S2O3^(2-)(aq...

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  11. Complete the following chemical equation : Cr2O7^(2-) (aq)+ Fe^(2+) (a...

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  12. Explain the following observation : Cu^+ ion is not known in aqueous s...

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  13. Which of the 3d-series of transition elements exhibits the largestn nu...

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  14. How would you account for the following ? Cr^(2+) is stronger reducing...

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  15. How would you account for the following ? In a transition series of me...

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  16. How would you account for the following ? Metal-metal bonding is more ...

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  17. Among lanthanoids, Ln (III) compounds are predominant. However, occasi...

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  18. The E(M^(2+) // M)^@ for copper is positive (0.34 V). Copper is the on...

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  19. How would you account for the following? The atomic radii of the metal...

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  20. Transition metals form number of interstitial compounds. Explain.

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