Which element exhibits both $+ 1$ and $+ 3$ oxidation number in its compounds ?

B

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N a

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S n

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S c

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Solution

The correct option is C $S c$
Electronic configuration of $S c = [A r] 3 d^{1} 4 s^{2}$
so it can loose one as well as three electron so, it will exhibit oxidation state of $+ 1$ and $+ 3$ both.

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Similar questions

Consider the elements:

Cs, Ne, I and F

(a) Identify the element that exhibits only negative oxidation state.

(b) Identify the element that exhibits only postive oxidation state.

(d) Identify the element which exhibits neither the negative nor does the positive oxidation state.

3 d

+ 1

S c^{3 +}, V^{3 +}, T i^{4 +}, M n^{2 +}

S c = 21, V = 23, T i = 22, M n = 25

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