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Match the following: {:((a),Cr^(2+),(i...

Match the following:
`{:((a),Cr^(2+),(i),[Ar]3d^(10)),((b),Cu^(+),(ii),[Xe]4f^(4)),((c ), Co^(2+), (iii), [Ar]3d^(5)),((d),Mn^(2+), (iv), [Ar]3d^(7)), ((e ),Pm^(3+), (v) , [Ar]3d^(3)):}`

A

`{:("(a)", "(b)",(c ), "(d)", (e )),("(v)", "(i)","(v)", "(iii)","(ii)"):}`

B

`{:("(a)", "(b)",(c ), "(d)", (e )),("(iv)", "(i)","(v)", "(iii)","(ii)"):}`

C

`{:("(a)", "(b)",(c ), "(d)", (e )),("(ii)", "(i)","(iv)", "(iii)","(v)"):}`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
The correct electronic configuration of the following species are
(a) `""_(24)Cr^(3+): [Ar]3d^(3)`
(b) `""_(29)Cu^(+) : [Ar]3d^(10)`
(c ) `""_(27)Co^(2+): [Ar]3d^(7)`
(d) `""_(25)Mn^(2+): [Ar]3d^(5)`
(e ) `""_(61)Pm^(3+): [Xe]4f^(4)`
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NTA MOCK TESTS-THE D-AND F-BLOCK ELEMENTS TEST-SINGLE CHOICE
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  2. Match the following: {:((a),Cr^(2+),(i),[Ar]3d^(10)),((b),Cu^(+),(ii...

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  3. Hypo is used in photography to

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  4. In which of the following Mn has highest oxidation state?

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  5. Compound that is both paramagnetic and coloured is

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  6. Out of the following ions Ti^(3+), V^(3+), Cu^(+), Sc^(3+), Mn^(2+), F...

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  7. The basic character of the transition metal monoxides follows the orde...

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  8. Among the following ions, which one will have the highest paramagnetic...

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  9. Amongst "TiF "(6)^(2-),"CoF "(6)^(3-), CuCl and NiCl(4)^(2-) (atomic ...

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  10. Among the following transition elements, pick out the element(s) with ...

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  11. The sulphate of a metal A on heating gives two gases B and C and an ox...

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  12. A green coloured solution of a salt, changes its colour to light pink ...

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  13. Which one of the following transition metal ions is diamagnetic?

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  14. Which of the following pair of transition metal ions have the same cal...

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  15. Which of the following is coloured compound?

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  16. In context with the transition elements, which of the following statem...

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  17. In the context of the lanthanides, which of the following statements i...

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  18. The transition elements are more metallic than the representative elem...

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  19. The Potassium manganate (K(2) MnO(4)) is formed, when

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  20. The calculated value of magnetic moment of Fe^(3+) is

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