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Which reaction involves neither oxidatio...

Which reaction involves neither oxidation nor reduction?

A

`CrO_(4)^(2-) rarr Cr_2O_(7)^(2-)`

B

`Cr rarr CrCl_3`

C

`Na rarr Na^(+)`

D

`2S_2O_(3)^(2-) rarr S_4O_(6)^(2-)`

Text Solution

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The correct Answer is:
A
(a) Ox. no. of Cr on both side is+6.
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DISHA PUBLICATION-REDOX REACTIONS-EXERCISE-1 : CONCEPT BUILDER ( TOPICWISE )
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  2. The conversion of sugar C(12)H(22)O(11) to CO(2) is :

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  3. Which reaction involves neither oxidation nor reduction?

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  4. In the following reaction, which is the species being oxidised ? 2Fe^...

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  5. The compound that canwork both as an oxidising as well as a reducing a...

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  6. Which of the following substances acts as an oxidising as well as a re...

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  7. In the reaction 2FeCl(3)+H(2)Srarr2FeCl(2)+2HCl+S

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  8. When iron is rusted, it is

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  9. Which of the following is not an intermolecular redox reaction?

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  10. In the reaction 3Mg + N2 rarr Mg3N2

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  11. One gas bleaches the colour of flowers by reduction, while the other b...

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  12. In reaction of KMnO4 and Mohr's salt, FeSO4 is oxidised to

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  13. Match the columns

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  14. Oxidation number of chromium in potassium dichromate is

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  15. Phosphorus has the oxidation state +3 in

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  16. A compound contains atoms A, B and C. the oxidation number of A is +2,...

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  17. The brown - ring complex compound of iron is formulated as [Fe(H2O)5(N...

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  18. The oxidation number of sulphur in S2F2, H2S respectively, are

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  19. The oxidation number of cobalt in K [Co(CO)(4)] is

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  20. Oxidation number ofnitrogen in (NH4)2SO4 is

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