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

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

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

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

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

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

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

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

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

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  10. What interstitial compounds?

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  11. Both Cu and Zn have completely filled 3d atomic orbital. Cu is conside...

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  12. Compare the chemistry of Actinoids with that of the Lanthanoids with s...

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  13. Compare the chemistry of Actinoids with that of the Lanthanoids with s...

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  14. Compare the chemistry of Actinoids with that of the Lanthanoids with s...

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

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  16. Complete the following reaction equation: MnO4^(-) + Fe^(2+) + H^+ rar...

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  17. How would you account for the following? Transition metals and many of...

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  18. How would you account for the following? The enthalpies of atomization...

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  19. The transition metal compounds are

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  20. How potassium permanganate is prepared? Give necessary chemical equati...

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