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The pair of compounds having metals in t...

The pair of compounds having metals in their highest oxidation state is:

A

`MnO_(2) and CrO_(2)Cl_(2)`

B

`[FeCl_(4)]^(-) and Co_(2)O_(3)`

C

`[Fe(CN)_(6)]^(3-) and [Cu(CN)_(4)]^(2-)`

D

`[NiCl_(4)]^(2-) and [CoCl_(4)]^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
C
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RESONANCE ENGLISH-D & F-BLOCK ELEMENTS & THEIR IMPORTANT COMPOUNDS -Exercise 3
  1. Four successive members of the first row transition elements are liste...

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  2. Which series of reactions correctly chemical reactions related to iron...

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  3. The equation which is balanced and represents the correct product(s) i...

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  4. Match the catalysts to the correct processes :

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  5. The colour of KMnO(4) is due to : [where M to metal, L to ligand]

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  6. A compound of vanadium chloride has spin only magnetic moment of 1.73 ...

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  7. Which one of the following exhibits the largest number of oxidation st...

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  8. Copper becomes green when exposed to moist air for long period. This i...

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  9. Which of the following statements is false?

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  10. Which one of the following species is stable in aqueous solution?

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  11. The transition metal ions responsible for colour in ruby and emerald a...

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  12. The pair of compounds having metals in their highest oxidation state i...

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  13. When XO(2) is fused with an alkali metal hydroxide in presence of an o...

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  14. The highest value of the calculated spin-only magnetic moment (in BM)...

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  15. The transition element that has lowest enthalpy of atomisation, is :

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  16. The 71^(st) electron of an element X with an atomic number of 71 enter...

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  17. The element that usually does NOT show variable oxidation states is :

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  18. underline (A) overset( 4 K OH, O(2))to 2underline (B) underset(("Green...

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  19. the pair of metal ions that can give a spin - only magnetic moment o...

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  20. The correct order of atomic radii in group 13 elements is

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