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Variable Oxidation States

Which of the ...

Question

Which of the following transition element shows the highest oxidation state ?

A

M n

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B

F e

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C

V

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D

C r

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Solution

The correct option is A $M n$
$M n - 3 d^{5} 4 s^{2}$ configuration shows highest oxidation state +7.

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Similar questions

Q. The elements of 3d transition series are given as:Sc, Ti, V, Cr, Mn, Fe, Co
Answer the following:
(i) Write the element which shows maximum number of oxidation states. Give reason.

(ii) Which element has the highest m.p.?
(iii) Which element shows only +3 oxidation state?
(iv) Which element is a strong oxidising agent in +3 oxidation state and why?

Q. The elements of 3d transition series are given as:

\begin{matrix} S c & T i & V & C r & M n & F e & C o & N i & C u & Z n \end{matrix}

Answer the following:
(i) Write the element which is not regarded as a transition element. Give reason.
(ii) Which element has the highest m.p.?
(iii) Write the element which can show an oxidation state of +1.
(iv) Which element is a strong oxidizing agent in +3 oxidation state and why?

Q. The elements of 3d transition series are given as:

\begin{matrix} S c & T i & V & C r & M n & F e & C o & N i & C u & Z n \end{matrix}

Answer the following:
(i) Write the element which is not regarded as a transition element. Give reason.
(ii) Which element has the highest m.p.?
(iii) Write the element which can show an oxidation state of +1.
(iv) Which element is a strong oxidizing agent in +3 oxidation state and why?

Q. For the four successive transition elements

(C r, M n, F e a n d C o)

, the stability of

+ 2

oxidation state will be there in which of the following order?

For the four successive transition elements (Cr, Mn, Fe and Co), what is the order of stability of their +2 states?

(At. Nos. Cr = 24, Mn = 25, Fe = 26, Co = 27)

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