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What is the oxidation state of Cr in CrO...

What is the oxidation state of Cr in `CrO_5` and why?

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Cr has +6 oxidation state because it has 6 valence electrons, therefore can form 6 covalent bonds.
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SUBHASH PUBLICATION-REDOX REACTIONS-Three Marks Questions
  1. What is the oxidation state of Cr in CrO5 and why?

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  2. Explain oxidation and reduction in terms of loss and gain of electrons...

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  3. Balance the following redox reaction by half reaction method. Fe^(2...

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  4. Explain the redox reaction in galvanic cells.

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  5. Identify the substances that are oxidised and the substances that are ...

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  6. Mention which gets reduced and which gets oxidized in the following re...

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  7. Mention which gets reduced and which gets oxidized in the following re...

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  8. Identify the oxidant and reductant in the following reactions: 10H^(...

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  9. Identify the oxidant and reductant in the following reactions: I2(g)...

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  10. Write the rules for assigning oxidation number.

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  11. Find the oxidation state of sulphur in the following compounds: H2S,H2...

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  12. Find the oxidation number of the element underlined in the following s...

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  13. Find the oxidation number of the element underlined in the following s...

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  14. What is the oxidation number of the metals [Fe(CN)6]^(4-)

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  15. What is the oxidation number of Mn is MnO(4)^(-)?

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  16. Explain applications of Redox Reactions?

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  17. A cell is prepared by dipping a chromium rod is 1 M Cr2(SO4)3 solution...

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  18. Permanganate ion reacts with bromide ion is a basic medium, to give ma...

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  19. Permangante (VII) ion, in basic solution oxidizes iodide ion I- to pro...

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  20. What is the oxidation number of sulphur in the following molecules/ io...

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  21. What is the oxidation number of sulphur in the following molecules/ io...

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