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Why electrolysis is important for the ex...

Why electrolysis is important for the extraction of reactive elements ?

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AAKASH SERIES-REDOX REACTONS-Questions For Descriptive Answers
  1. What are the oxidation of Cr in CrO(3) and Ti in H(2)TiO(4) ?

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  2. Write the average oxidation number of (a) N in NaN(3), (b) Fe in FeS(2...

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  3. Calculate the oxidation number of iron in (a) pentacarbonyl and (b) po...

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  4. Distinguish between disproportionation reactions and comproportionatio...

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  5. Find our the ratio of coefficients of metals. Al ^ MnO(2) rarr Al(2)O(...

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  6. How many moles of KMnO(4) are required to liberate one gram mole of ox...

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  7. NaOH + S rarr Na(2)S(5) + Na(2)S(2)O(3) + H(2)O Balance the above re...

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  8. Permaganate oxidises aqueous iodide to iodine and itself is reduced to...

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  9. xKClO(3) rarr yKCl + zKClO(4). What are x and z ?

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  10. One gram atom of aluminium can reduce how many moles of chromic oxide?

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  11. What is the mole coefficient of H(2)SO(4) in the balanced equation. ...

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  12. Cu + HNO(3) rarr NO + Cu(NO(3))(2) + H(2)O. Write the ionic equation ...

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  13. K(2)Cr(2)O(7) + HCl rarr KCl + CrCl(3) + Cl(2) + H(2)O. How many moles...

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  14. S(2)O(3)^(2-) + MnO(4)^(-) + H(2)O rarr MnO(2) + S(2)O(4)^(2-) + OH^(-...

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  15. How many moles of chlorine are obtained when one mole of K(2)Cr(2)O(7)...

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  16. Cr(2)O(7)^(2-) + C(2)H(4)O overset(H^(+))rarr Cr^(3+) + C(2)H(4)O(2). ...

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  17. How many moles of OH^(-) are involved in the balanced equation ? C(2...

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  18. Explain the principle of a redox reaction used in the construction of ...

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  19. Why electrolysis is important for the extraction of reactive elements ...

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  20. What redox changes are present in iodometry ?

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