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For the redox reaction, MnO4^- + C2 O4^(...

For the redox reaction, `MnO_4^- + C_2 O_4^(2-) + H^+ rarr Mn^(2+) + CO_2 + H_2 O` the correct coefficients of the reactants for the balanced reaction are respectively `MnO_4^-, C_2 O_4^-, H^+` :

A

`1/5`

B

`2/5`

C

`5/2`

D

`3/5`

Text Solution

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-MOCK TEST 14-Exercise
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  2. In the conversion of I2 rarr IO3^-the oxidation state of iodine change...

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  3. The oxidation state of Mn in MnO4^(2-) is

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  4. The oxidation state of phosphorus varies from

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  5. The average oxidation state of sulphur atom in S4O6^(2-) ion is

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  6. Which of the following is not an example of disproportionation reactio...

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  7. For the redox reaction, MnO4^- + C2 O4^(2-) + H^+ rarr Mn^(2+) + CO2 +...

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  8. The equivalent weight ofMnCl2, is half of its molecular weight when it...

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  9. The value of n in the following half equation is MnO4^(-) + 2H2O + ne ...

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  10. The oxidation state of Cr in CrO5 is

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  11. For the galvanic cell: Zn(s) | Zn^(2+)(aq) (1.0 M) || Ni^(2+)(aq) (1.0...

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  12. Which of the following metals will not react dilute hydrochloric acid?

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  13. Syngas is a mixture of

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  14. Zn(s) + Cu^(2+)(aq) rarr Zn^(2+)(aq) + Cu(s) The cell representation f...

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  15. In which of the compounds the oxidation state of hydrogen is -1?

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  16. In Iodometric titration which indicator is used to detect end point of...

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  18. The standard reduction potential of zinc and silver at 298 K are E((Z...

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  19. The standard electrode potentials of four elements A,B,C,D are - 3.05...

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  20. In faintly alkaline solution, 4 moles of permanganate anion quantitati...

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