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Find out the value of n in: MnO(4)^(-) ...

Find out the value of `n` in: `MnO_(4)^(-) + 8H^(+) + "ne" rarr Mn^(2+) + 4H_(2)O`

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The correct Answer is:
`5`
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Balance the following equations by the ion electron method: a. MnO_(4)^(Ө) + Cl^(Ө) + H^(o+) rarr Mn^(2+) + H_(2)O + Cl_(2) b. Cr_(2)O_(7)^(2-) + I^(Ө) + H^(o+) rarr Cr^(3+) + H_(2)O + I_(2) c. H^(o+) + SO_(4)^(2-)+I^(Ө) rarr H_(2)S+H_(2)O+I_(2) d. MnO_(4)^(Ө)+Fe^(2+) rarr Mn^(2+) + Fe^(3+) + H_(2)O

P BAHADUR-RADIO ACTIVITY-Exercies 9
  1. In the reaction Al + Fe(3)O(4) rarr Al(2) O(3) + Fe (a) Which eleme...

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  2. Identify the substance acting as oxidant or reductatant if any in the ...

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  3. Find out the value of n in: MnO(4)^(-) + 8H^(+) + "ne" rarr Mn^(2+) ...

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  4. Both VO(2)^(+) and VO^(2+) are known as vandyl ion. (a) Determine t...

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  5. One mole of N(2) H(4) loses 10 mole electrons to form a new compound Y...

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  6. HNO(3) acts only as as oxidant whereas, HNO(2) acts as reducant and ox...

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  7. Balance the following equactions: (a) BaCrCO(4) + KI + HCI rarr BaC...

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  8. KMnO(4) oxidises NO(2)^(-) to NO(3)^(-) in basic medium. How many mole...

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  9. Calculate the equivalent weight of each oxidant and reducant in: (a)...

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  10. 20mL fo 0.2M MbnSO(4) are completely oxidiz3d by 16 mL of KMnO(4) of u...

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  11. An element A in conmpound ABD has an oxidation no. A^(n-). It is oxidi...

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  12. KMnO(4) oxidizes X^(n+) ion to XO(3)^(-) itself changing to Mn^(2+) in...

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  13. Mg can reduce NO(3)^(-) to NH(3) in basic solution: NO(3)^(-) + Mg((...

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  14. Hydroxylamine reduces iron III according to the equaction, 4Fe^(3+) + ...

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  15. A solution is containing 2.52g "litre"^(-1) of a reductant, 25mL of th...

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  16. Two solutions of 0.1M cr(2) O(7)^(2-)(aq.) and 0.1M MnI(4)^(-) (aq.) a...

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  17. KMnO(4) solution is to be standaridised by titration against AsO(3)(s)...

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  18. A steel sample is to be analysed fo rCr and Mn simultaneously. By suit...

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  19. A 200 mL sample of a citrus fruit drinks containing ascorbic acid (vi...

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  20. An acid solution of KReO(4) sample containing 26.83mg of combined rhe...

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