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The pair of the compounds in which both ...

The pair of the compounds in which both the metals are in the highest possible oxidation state is,

A

`[Fe(CN)_(6)]^(3-),[Co(CN)_(6)]^(3-)`

B

`CrO_(2)Cl_(2),MnO_(4)^(-)`

C

`TiO_(2),MnO_(2)`

D

`[Co(CN)_(6)]^(3-),Mn_(2)O_(7)`

Text Solution

Verified by Experts

The correct Answer is:
B
(A) Oxidation state of iron is +3 but it can exceed to a maximum of +6 and highest oxidation state of Mn I `MnO_(4)^(-)` is +7.
(B) Highest oxidation state of Cr in `CrO_(2)Cl_(2)` is +6 and highest oxidation state of Mn in `MnO_(4)^(-)` is +7.
(C) Oxidation state of titanium is +2 but it can exceed to a maximum of +4. oxidation state of Mn is +7 but it can exceed to a maximum of +7.
(D) Oxidation state of cobalt is +3 but it can exceed to a maximum o +4. oxidation state of Mn is +7 which is its highest oxidation state.
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RESONANCE-D & F-BLOCK ELEMENTS & THEIR IMPORTANT COMPOUNDS -Only one option correct type
  1. When AgNO(3)(aq) reacts with excess of iodine, we get:

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  2. When K(4)[Fe(CN)(6)] is added to FeCl(3) , the complex compound formed...

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  3. FeCl(3).6H(2)O is actually:

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  4. Aqueous solution of which of the following ions is green?

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  5. Aqueous solution of (P) and (Q) are violet. (P) turns green on oxidati...

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  6. In the reaction,2CuCl(2)+2H(2)O+SO(2)toA+H(2)SO(4)+2HCl,A is

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  7. German silver is an alloy of copper and:

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  8. When copper is placed in the atmosphere for sufficient time, a green c...

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  9. FeCl(3) dissolves in

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  10. When AgNO(3)(aq) reacts with excess of iodine, we get:

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  11. ZnO+CoOoverset(Delta)toX: product 'X' colour is

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  12. The compound that gets oxidised even on exposure to atmosphere is:

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  13. The +3 ion of which one of the following has half filled 4f subshell?

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  14. Among the following series of transition metal ions, the one where all...

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  15. The pair of the compounds in which both the metals are in the highest ...

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  16. VO(2) is an amphoteric oxide and in acidic medium it forms:

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  17. S(1) : Mn^(2+) compounds more stable than Fe^(2+) towards oxidation to...

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  18. Identify the incorrect statement.

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  19. CuFeS(2)+O(2)("excess")overset(Delta)toX(s)+Y(s) Note: Corresponding...

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  20. FeCr(2)O(4)+Na(2)CO(3)+O(2)overset("Fusion")to[X]underset(H(2)O)overse...

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