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Give reasons: Why is HCl not used to aci...

Give reasons: Why is HCl not used to acidify a permanganate solution in volumetric estimation of `Fe^(2+)` or `C_2O_4^(2-)`?

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R G PUBLICATION-THE d-AND f-BLOCK ELEMENTS-EXERCISE
  1. Give reasons: Why is first ionization enthalpy of Cu is higher than th...

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  2. Give reasons: Name one ore each of the manganese and chromium.

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  3. Give reasons: Why is HCl not used to acidify a permanganate solution i...

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  4. Give reasons: What is lanthanoid contraction?

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  5. In the first transition series of elements, which element shows highes...

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  6. Transition metel compounds are generally coloured. Why?

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  7. What interstitial compounds?

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  8. Aqueous solution of Ti^(4+) is colourless, but aqueous solution of Ti^...

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  9. Copper (I) and d^(10) configuration, while copper (II) has d^9 configu...

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  10. What are lanthanoids?

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  11. Give the chemical equation for the reaction be-tween a saturated solut...

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  12. Name a transition element of 3d series which does not exhibit variable...

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  13. In the first transition series of elements, which element shows highes...

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  14. Give reasons: Why is HCl not used to acidify a permanganate solution i...

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  15. Why are powdered substances more effective adsorbents than their cryst...

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  16. What are transition elements? Give the general electronic configuratio...

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  17. Silver atom has complete filled d-orbitals (4d^(10)) in its ground sta...

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  18. Actinoid contraction is greater from element to element than lanthanoi...

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  19. Which of the first row transition metal exhibit +7 oxidation state?

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  20. How would you account for irregular variation of 1st and 2nd ionisatio...

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