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The oxidation number of arsenic atom in ...

The oxidation number of arsenic atom in `H_(3)AsO_(4)` is :-

A

`-1`

B

`-3`

C

`+3`

D

`+5`

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The correct Answer is:
D
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ALLEN-REDOX REACTIONS-EXERICSE - 2
  1. Which of the following reaction involves oxidation reduction?

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  2. Which one is the oxidising agent in the reaction given below 2CrO(4)...

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  3. The oxidation number of arsenic atom in H(3)AsO(4) is :-

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  4. In substance Mg(HXO(3)), the oxidation number of X is :-

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  5. In the following reaction: 3Fe+4H(2)OrarrFe(3)O(4)+4H(2), if the ato...

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  6. In the course of a chemical reaction an oxidant -

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  7. Which statement is wrong?

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  8. The reaction 2K(2)MnO(4)+Cl(2)rarr 2KMnO(4)+2KCl is an example of

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  9. Which of the following reactions involves neither oxidation nor reduct...

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  10. In the reaction :- C+4HNO(3)rarrCO(2)+2H(2)O+4NO(2) HNO(3) acts as...

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  11. In the following reaction the value of 'X' is H(2)O+SO(3)^(2-)rarr S...

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  12. Oxidation number of P in KH(2)PO(3) is :-

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  13. The oxidation number of iron in potassium ferricyanide [K(3)Fe(CN)(6)]...

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  14. The oxidation number of phosphorus in PH(4)^(+),PO(2)^(3-),PO(4)^(3-) ...

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  15. Which of the following compounds are arranged in increasing oxidation ...

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  16. Iodine shows the highest oxidation state in the compound :-

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  17. The number of electrons required to balance the following equation are...

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  18. Cr(2)O(7)^(-2)+I^(-)+H^(+)rarrCr^(+3)+I(2)+H(2)O The equivalent weig...

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  19. The sum of the oxidation states of all the carbon atoms present in the...

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  20. In the reaction 8Al+3Fe(3)O(4)rarr 4Al(2)O(3)+9Fe the number of el...

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