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For the four successive transition eleme...

For the four successive transition elements (Cr, Mn, Fe, and Co), the stability of `+2` oxidation state will be there in which of the following order ?
`(At. Nos. Cr = 24, Mn = 25, Fe = 26, Co = 27)`

A

`CrgtMngtCogtFegt`

B

`MngtFegtCrgtCo`

C

`FegtMngtCogtCr`

D

`CogtMngtFegtCr`

Text Solution

Verified by Experts

The correct Answer is:
B
The correct order is
`MngtFegtCrgtCo`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-D - AND F-BLOCK ELEMENTS-Practice exercise (Exercise 1)
  1. For the four successive transition elements (Cr, Mn, Fe, and Co), the ...

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  2. The colour of zinc sulphide is

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  3. Which of the following element does not belong to 4d series of transit...

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  4. Number of unpaired electrons in Mn^(3+) is

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  5. Which of the following is red in colour?

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  6. Copper exhibits only +2 oxidation state in its stable compounds. Why?

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  7. A transition element X has a configuration [Ar] 3d^(4) in its + 3 oxi...

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  8. Which of the following ions has a magnetic moment of 5.93 BM? (Atomic ...

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  9. Which of the 3d-seres of the transition metals exhibits the largest nu...

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  10. Consider the following statements about transition metals.

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  11. Spin-only' formula to calculate magnetic moment is expressed as

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  12. Among the given optins the most dense element is

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  13. Which of the following is colourless?

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  14. Atomic number of an element is 26. the element shows

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  15. Which of the following species is/are paramagnetic? Fe^(2+),Zn^(0),H...

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  16. What is the correct roder of spin only magnetic moment (in BM) of Mn^(...

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  17. The coordination number in a/an….. Complex may increase to 8.

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  18. The spin only magnetic moment of Mn^(4+) ion is nearly

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  19. Mercury is a liquid metal because

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  20. The highest oxidation state exhibited by a transition metal is

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