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How are active metals extracted from the...

How are active metals extracted from their cations ?

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Active metals are stable as cations. These cations can not be reduced by the use of chemical reagent metals are extracted by the electrolysis of their fused salts.
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AAKASH SERIES-REDOX REACTONS-Questions For Descriptive Answers
  1. How are active metals extracted from their cations ?

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  2. How are no electron transfer reactions different from redox reactions ...

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  3. Oxidation or reduction capacity of a substance depends upon the other ...

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  4. Distinguish between molecular and ionic equations.

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  5. Oxidation and reaction are complimetary reactions. Substantiate.

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  6. HNO(3) acts as oxidant, but HNO(2) usually acts as reductant. Explain.

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  7. What is the oxidation state of N in (N(2)H(5))SO(4) ?

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  8. What are the oxidation numbers iodine atoms in KI(3) ?

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  9. What are the oxidation of Cr in CrO(3) and Ti in H(2)TiO(4) ?

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

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

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  12. Distinguish between disproportionation reactions and comproportionatio...

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

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

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

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

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

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

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

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

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

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