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The maximum oxidation state shown by V(Z...

The maximum oxidation state shown by `V(Z=23),Cr(Z=24),Co(Z=27),Sc(Z=21)`, are respectively

A

`+5, +6, +2, + 3`

B

`+3, +4, +5, +2`

C

`+5, +3, +2, +1`

D

`+4` in each case

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The correct Answer is:
A
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DISHA PUBLICATION-THE D- AND F- BLOCK ELEMENTS -EXERCISE - 1 CONCEPT BUILDER (TOPIC CHARACTERISTICS OF D-BLOCK ELEMENTS )
  1. Which of the following is not a condition for complex formation?

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  2. The stability of particular oxidation state of a metal in aqueous solu...

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  3. In general the melting and boiling points of transition metals

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  4. Which of the following is used in the preparation of chlorine?

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  5. Chloro compound of vanadium has only spin magnetic moment of 1.73 BM. ...

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  6. The aqueous solution containing which one of the following ions will b...

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  7. Among the transition elements the element with lowest melting point be...

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  8. Which of the following ions does not liberate hydrogen gas on reaction...

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

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  10. Which transition metal has lowest density ?

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  11. which of the following ions has the maximum magnetic moment ?

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  12. The maximum oxidation state shown by V(Z=23),Cr(Z=24),Co(Z=27),Sc(Z=21...

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  13. Which of the following pairs has the same size ?

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  14. For the four successive transition elements (Cr, Mn, Fe, and Co), the ...

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  15. Which one of the following does not correctly represent the correct or...

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  16. Four successive members of the first series of the transition metals a...

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  17. The catalytic activity of transition metals and their compounds is mai...

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  18. Magnetic moments 2.84 B.M is given by : (At. nos. ni = 28, Ti = 22, ...

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  19. The number of d-electrons in Fe^(2+)(Z=26) is not equal to the number...

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  20. The angular momentum of electron in 'd' orbital is equal to:

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