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Question

Chemistry Question on d -and f -Block Elements

Common oxidation state of scandium, a transition is/are [Ar. No. of Sc = 21]

A

4

B

1

C

#ERROR!

D

#ERROR!

Answer

#ERROR!

Explanation

Solution

Sc (Z = 21): [Ar]18 4s22d1[Ar]^{18} \, 4s^2 2d^1 Common oxidation states of Sc can be +2 and +3