The complex ion which has no d-electron in the central metal atom is

[MnO₄]^-

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[Fe(CN)₆]^3-

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[Cr(H₂O)₆]³⁺

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[Co(NH₃)₆]³⁺

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Solution

The correct option is A
[MnO₄]^-

Mn⁷⁺ has no d-electron.

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Similar questions

Q. The complex ion which has no d-electrons in the central metal atom is:

Q. Which complex ion has no

d

-electron in the central metal atom?

Q. The complex ion which has no

d

-electron in the central metal atom is:

Q. The complex ion which has no d electrons in the central metal atom is: (At no.

C r = 24, M n = 25, F e = 26, C o = 27

)

Atomic number of Mn. Fe and Co are 25, 26 and 27 respectively. Which of the following inner orbital octahedral complex ions are diamangetic?
(a) $[C o (N H_{3})_{6}]^{3 +}$
(b) $[M n (C N)_{6}]^{3 -}$
(c) $[F e (C N)_{6}]^{4 -}$
(d) $[F e (C N)_{6}]^{3 -}$

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The complex ion which has no d-electron in the central metal atom is

The correct option is A [MnO4]- Mn7+ has no d-electron.

The correct option is A
[MnO₄]^-

Mn⁷⁺ has no d-electron.