Question
Chemistry Question on d -and f -Block Elements
Within each transition series, the oxidation states
A
decreases regularly in moving from left to right
B
first increases till the middle of period and then decreases
C
first decreases till the middle of period and then increases
D
None of the trend is correct
Answer
first increases till the middle of period and then decreases
Explanation
Solution
Answer (b) first increases till the middle of period and then decreases