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In the conversion of K(2)Cr(2)O(7) to K(...

In the conversion of `K_(2)Cr_(2)O_(7)` to `K_(2)CrO_(4)` the oxidation number of the following changes

A

K

B

Cr

C

Oxygen

D

None

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-STOICHIOMETRY-OBJECTIVE EXERCISE - 1
  1. The element that always exhibits a negative oxidation state in its com...

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  2. The minimum oxidation state that nitrogen exhibits is

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  3. In the conversion of K(2)Cr(2)O(7) to K(2)CrO(4) the oxidation number ...

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  4. The oxidation number of 'Mn' in potassium permanganate is

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  5. The oxidation number of 'N' in NH(3) is

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  6. What is the oxidation state of carbon in carbondioxide?

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  7. In which of the following compounds oxygen exhibits an oxidations stat...

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

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  9. In the conversion of CrO(4)^(-2)rarrCr(2)O(7)^(-2), the oxidation numb...

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  10. Oxidation number of carbon is zero in the compound

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  11. {:("LIST - 1","LIST - 2"),("(Oxidation state)","(Substance)"),("A) + 3...

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

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  13. Oxidation number and Covalency of sulphur in S(8) molecule are respect...

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  14. The oxidation state of Barium in Ba(H(2)PO(2))(2) is

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  15. The number  of electrons involved in the half reaction Cr(2)O(7)^(2-)r...

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  16. Sum of the oxidation numbers of carbon in acetaldehyde is

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  17. In bleaching powder oxidation states of CI are

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  18. Oxidation number of sulphur in oleum (H(2)S(2)O(7)) is

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  19. The compound formed in the brown ring test has the formula [Fe(H(2)O)(...

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  20. In the reaction of chlorine with dry slaked lime, the oxidation number...

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