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The correct order of E(M^(2+)//M)^@ valu...

The correct order of `E_(M^(2+)//M)^@` value with negative sign for the four successive elements Cr, Mn, fe and Co is

A

MngtCrgtFegtCo

B

CrgtFegtMngtCo

C

FegtMngtCrgtCo

D

CrgtMngtFegtCo

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The correct Answer is:
A
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The correct order of magnetic moment (spin values in is . (Atomic number Mn=25,Fe=26,Co=27) (I) [MnBr_(4)]^(2-) (II) [Fe(CN)_(6)]^(4-) (III) [CoBr_(4)]^(2-) .

RESONANCE ENGLISH-D & F-BLOCK ELEMENTS & THEIR IMPORTANT COMPOUNDS -Exercise 3
  1. In context with the transition elements, which of the following statem...

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  2. Knowing that the chemistry of lanthanoids (Ln) is dominated by its +3 ...

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  3. The correct order of E(M^(2+)//M)^@ value with negative sign for the f...

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  4. In context of the lanthanoids , which of the following statement is no...

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  5. The outer electrons configuration of Lu (Atomic No.,71) is :

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  6. Iron exhibits +2 and +3 oxidation states. Which of the following state...

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  7. Which of the following arrangements does not represent the correct ord...

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  8. Four successive members of the first row transition elements are liste...

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

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

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  11. Match the catalysts to the correct processes :

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

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

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

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

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  16. Which of the following statements is false?

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

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

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

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

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