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Balance the equation : Cr2O7^(2-) +H^+ ...

Balance the equation :
`Cr_2O_7^(2-) +H^+ + S^2 rarrCr^3 + S + H_2O`

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MBD PUBLICATION-REDOX REACTIONS-QUESTION BANK
  1. Write a baanced chemical equation in the reaction of H2O2 with acidifi...

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  2. Define and illustrate equivalent mass of an acid.

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  3. Balance the equation : Cr2O7^(2-) +H^+ + S^2 rarrCr^3 + S + H2O

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  4. What is the sum of the oxidation number of all the atoms in a neutral ...

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  5. Balacne the equation by ion-e,ectrpm method: Cr2O7^(2-) + SO2 rarr C...

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  6. Give two examples of oxidation-reduction reaction.

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  7. What is the maximum oxidation state that nitrogen can have ?

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  8. 5.3g of Na2CO3 added to 100 cc of 1NH2SO4. The final solution is :

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  9. The volume of 0.1 M H2SO4 required to neutralise 30 ml of 2.0 M NaOH i...

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  10. In acidic medium, permanganate is reduced to Mn^(2+) by excess of redu...

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  11. How many electrons are involved in oxidation by KMnO4 in basic medium

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  12. What is the oxidation state of Cl inClO3?

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  13. Oxidation state of oxygen in H2O2 IS

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  14. What is the oxidation number of nickel in Ni(CO)4 ?

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  15. What is the oxidation number of silver in [Ag(NH3)2]Cl ?

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  16. What is the role of MnO2 in the preparation of Cl2 from HCI?

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  17. What is the change in oxidation number of the encircled element in the...

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  18. What is the change in the oxidation number of the marked element in th...

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  19. What is the oxidation number of iron in [Fe(CN)6]^(3-) is ?.

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  20. Write any reaction in which H2O acts as an oxidising agent.

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