Physics NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 4 PCB MCQ (Single Correct)

Within each transition series, the oxidation state

A
first decreases till the middle of the period and then increases.
B
first increases till the middle of the period and then decreases.
C
decreases regularly on moving from left to right.
D
Increases regularly on moving from left to right.

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Text Solution

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The correct answer is:
B

In transition series, oxidation state first increases from to due to increase in number of unpaired electrons and then decreases because pairing takes place.

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