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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. Give two examples of oxidation-reduction reaction.

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  2. Complete the equation given below and make it a balanced one : KMnO4...

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

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  4. Complete and balance the following equation : S2O3^(2-) + I2 rarrS4O6...

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  5. Write a baanced chemical equation in the reaction of H2O2 with acidifi...

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  6. Complete and balance the equation. Sn^+^2 +H2O2 rarr Sn^+^4

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  7. Calculate the molarity when 73 grams of HCl is dissolved in water to m...

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  8. What is the oxidation number of Mn in K2MnO4 and KMnO4 ?

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  9. A solution containing 10.5 grams of an alkali is completely nutralised...

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  10. Balance the equaation. MNO4^- +Cl^- + H^+ rarrMn^(+ +) +Cl2 + H2O

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  11. Give the ionic equation between copper truning and conc HNO3.

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  12. Give the ionic equation of oxidation of iodine by conc HNO3.

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  13. Complete and balance the equation. Zn +NO3^- rarr Zn^(+ +) + NH4^+

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  14. Balance the equation be ion-electron method : Fe^(3+) +Sn^2 rarrFe^(2+...

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  15. Balance the equation MnO4^- +H^+ +Fe^2 rarr Mn^2 + H2O + Fe^3^+

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  16. Oxidation number of Fe in Fe(0.94)O is:

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  17. Oxidation number of Fe in Na2[fe(CN)5NO] is

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  18. Oxidation number of Cr in CrO5 is:

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  19. Oxidation number of Ca in CaOCI2 is:

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  20. The value of n in , MnO4^- + 8 H^+ + n e ^- rarr Mn^2 + 4H2O is :

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