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The number of moles of K(2)Cr(2)O(7) re...

The number of moles of `K_(2)Cr_(2)O_(7)` reduced by one mole of `Sn^(2+)` ions is

A

`1//6`

B

`1//3`

C

`2//3`

D

`1`

Text Solution

Verified by Experts

The correct Answer is:
C
`underset((n=6))("Eq of"Cr_(2)O_(7)^(2-))-=underset((n=2))("Eq of " Sn^(2+))`
`(1)/(6) "mol" =(1)/(2)"mol"`
`(1)/(3) "mol of " Cr_(2)O_(7)^(2-)=1 "mol of"Sn^(2+)`
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CENGAGE CHEMISTRY ENGLISH-REDOX REACTIONS-Exercises (Single Correct)
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  2. The equivalent weight of FeC(2)O(4) in the change FeC(2)O(4)rarrFe^(...

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  3. The oxidation state of Fe in Fe(3)O(8) is

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  4. In which of the following compounds, the oxidation state of transition...

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  5. Oxidation state of S in H(2)S(2)O(8) is

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  6. Which of the following is not a disproportionation reaction ?

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  7. Which of the following is a disproporationation reaction ?

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  8. When KMnO(4) acts as an oxidising agnet and ultimetely from MnO(4)^(2-...

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  9. which of the following is a redox reaction ?

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  10. The oxidation states of sulphur in the anions SO(3)^(2-), S(2)O(4)^(2-...

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  11. For decolourisation of 1 mole of acidified KMnO(4) the moles of H(2)O(...

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  12. A metal ion M^(3+) loses three electrons , its oxidation number will b...

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  13. To an acidic solution of an anion, a few drops of Kmno(4) solution are...

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  14. The number of moles of K(2)Cr(2)O(7) reduced by one mole of Sn^(2+) i...

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  15. Which of the following is not a reducing agent ?

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  16. The oxidation state of chromium is [Cr(PPh(3))(3)(CO)(3)] is

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  17. The values of the x and y in the following redox reaction. xCl(2)+6o...

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  18. Which gas is evolved when PbO(2) is treated with conc HNO(3) ?

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  19. The equivalent mass of oxidising agent in the following reaction is ...

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  20. In alkaline medium, ClO(2) oxidises H(2)O(2) "to" O(2) and is itself r...

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