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Electronic Configuration of d-Block Elements

Which of the ...

Question

Which of the following is not a member of 3d-transition series ?

A

Fe

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B

Co

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C

Au

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D

Cu

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Solution

The correct option is C Au
Au 79 is a member of 5d series.
all else belongs to 3d series.

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Similar questions

Q. Which of the following is not a member of 3d transition series?

Q. (i) Name the elements of

3 d

transition series which shows maximum number of oxidation states. Why does it show so?
(ii) Which transition metal of

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E_{(M^{2 +} / M)}^{o}

value and why?
(iii) Out of

{C r}^{3 +}

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, which is a stronger oxidizing agent and why?
(iv) Name a member of the Lanthanoid series which is well known to exhibit

+ 2

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(v) Complete the following equation

M n O_{4}^{-} + 8 H^{+} + 5 e^{-} ⟶

E_{M^{2 +} (a q) / M (s)}^{0}

has a positive value for which of the following elements of 3d transition series?

Q. Which of the following 3d-series transition metal exhibits the largest number of oxidation states?

The 3d transition series starts from which atomic number?

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