MHT CET Chemistry question

Chemistry Redox Reactions MHT CET

For Sc(21), if both 3d and 4s electrons are involved in bonding, the oxidation state will be

(A)+4
(B)+3Correct
(C)+2
(D)+5

Answer: (B)

Solution

Sc is [Ar]3d4s; using one 3d and two 4s electrons gives a maximum oxidation state of +3. Hence the correct option is (b).

Question ID VK-074526