AP EAMCET · Chemistry · Classification of Elements and Periodicity in Properties
An element has \([\mathrm{Ar}] 3 d^1\) configuration in its +2 oxidation state. Its position in the periodic table is
- A period-3, group-3
- B period-3, group-7
- C period-4, group-3
- D period-3, group-9
Answer & Solution
Correct Answer
(C) period-4, group-3
Step-by-step Solution
Detailed explanation
Electronic configuration of the element in +2 oxidation state is \([\mathrm{Ar}] 3 \mathrm{~d}^1\). Its electronic configuration in neutral state: \(\text { [Ar] } 3 \mathrm{~d}^1 4 \mathrm{~s}^2\) Period \(=\) Max. principal quantum no. \(n=4\) Group \(=\) Total number of…
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