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Which of the following change requires a...

Which of the following change requires a reducing agent 

A

`CrO_(4)^(2-) to Cr_(2)O_(7)^(2-)`

B

`BrO_(3)^(-) to BrO^(-) `

C

`NH_(3) to NF_(3)`

D

`Al(OH)_(3) to Al(OH)_(4)^(-)`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-STOICHIOMETRY-Objective Exercise -2
  1. Calculate the oxidation number of iron in Fe(3)O(4)?

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  2. One mole of N(2) H(4) loses 10 moles of electrons to form a new compou...

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  3. Which of the following change requires a reducing agent

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  4. Whast is the oxidation state of Fe in the product formed when acidifie...

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  5. In the reaction, H(2)O(2)+PbS to H(2)O+PbSO(4) the increase in the oxi...

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  6. Why is the highest oxidation state of a metal exhibited in its oxide o...

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  7. Oxidation number of iodine in IO(3)^(-), IO(4)^(-), KI and I(2) respec...

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  8. Oxidation states of P in H4P2O5, H4P2O6 and H4P2O7 are respectively :

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  9. If three electrons are lost by Mn^(3+), its final oxidation state woul...

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  10. Bromine reacts with hot aqueous alkali to give bromide and bromate. Wh...

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  11. A, B and C are three elements forming part of a compound in oxidation ...

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  12. (A): The difference in the successive oxidation states exhibited by tr...

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  13. The oxidation number of sulphur in S(8), S(2)F(2) and H(2)S are

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  14. The oxidation number of nitrogen in NCI(3) is

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  15. What are the oxidation numbers of 'N' in NH(4)NO(3)?

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  16. The oxidation number of ..V.. in Rb(4) Na[HV(10)O(28)] is

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  17. N has fractional oxidation number in

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  18. In which  one of the following compounds the oxidation numberof iodine...

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  19. Average oxidation number of iodine in KI(3)

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  20. The oxidation state of phosphorus in Ba(H(2)PO(2))(2) is

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