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JEE · NEET Previous Year Question

$What are different possible oxidation states exhibited by scandium?$

Topic: JEE PYQ

Answer: D. Full step-by-step solution below.

A $+4$
B $+5$
C $+ 4, + 5$
D $+ 2, + 3$

Correct answer: D

Solution

(d) : Scandium has electronic configuration of 3 d^{4} 45^{2}, thus the possible oxidation states are +2 and +3

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