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Number of moles of MnO(4)^(-) required t...

Number of moles of `MnO_(4)^(-)` required to oxidise one mole of ferrous oxalate completely in acidic medium will be

A

7.5 moles

B

0.2 moles

C

0.6 moles

D

0.4 moles

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The correct Answer is:
C
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Redox is a reaction in which both oxidation and reduction will take place simultaneously . It is obvious that if one substance gives electron there must be another substance to accept these electrons . In some reactions, same substance is reduced as well as oxidised, these reactions are termed as disproportionation reactions. For calculating equivalent mass in redox reaction change in oxidtaion number is realted to n-factor which is reciprocal of molar ratio. How many moles of KMnO_(4) are reacted with one mole of ferrous oxalate in acidic medium ?

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AAKASH INSTITUTE ENGLISH-REDOX REACTIONS-Assignment (Section A) (Objective type Questions (one option is correct))
  1. The oxidation number of S in S(8),S(2)F(2), and H(2)S, respectively, a...

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  2. The oxidation number of C in HNC is

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  3. The oxidation number of Cl in CaOCl(2) is

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  4. Which of the following molecules can act as an oxidising agent as well...

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  5. The oxidation state of iodine in ICI(3) is

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  6. The pair of compounds having metals in their highest oxidation state i...

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  7. Consider a titration of potassium dichromate solution with acidified M...

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  8. Number of moles of MnO(4)^(-) required to oxidise one mole of ferrous ...

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  9. The reaction,P(4)+3NaOH+3H(2)O to 3NaH(2)PO(2)+PH(3) is an example of

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  10. CrO(5) has structure as shown The oxidation number of chromium in...

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  11. The oxidation states of S atom in S(4)O(6)O^(2-) from left to right re...

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  12. The oxidation number of phosphorus in PO(4)^(3-), P(4)O(10), and P(2)O...

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  13. The reaction 5H(2)O(2)+XClO(2)+2OH^(-) rarr XCl^(-)+YO(2)+6H(2)O i...

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  14. Nitrogen forms a variety of compounds in all oxidation states ranging ...

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  15. KMnO(4) is a strong oxidising agent in acidic medium. To provide acidi...

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  16. Oxidation states of P in H(4)P(2)O(5),H(4)P(2)O(6),H(4)P(2)O(7) respec...

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  17. In this reaction: S(2)O(8)^(2-)+2I^(-) to 2SO(4)^(2-)+I(2)

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  18. Which of the following has the highest value of E("red")^(@) ?

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  19. Which of the following species has an atom with +6 oxidation state?

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  20. The oxidant which cannot act as a reducing agent is

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