MCQ
The electronic configuration of chromium is
- A$[Ne]\,3{s^2}3{p^6}3{d^4},4{s^2}$
- ✓$[Ne]\,3{s^2}3{p^6}3{d^5},4{s^1}$
- C$[Ne]\,3{s^2}3{p^6}3{d^6},4{s^1}$
- D$[Ne]\,3{s^2}3{p^5}3{d^5},4{s^2}$
✓
Answer
Correct option: B.
$[Ne]\,3{s^2}3{p^6}3{d^5},4{s^1}$
b
(b) $Cr(Z = 24)$ has electronic configuration
(b) $Cr(Z = 24)$ has electronic configuration
$1{s^2}2{s^2}2{p^6}3{s^2}3{p^6}3{d^5}4{s^1}$
( half filled $d $ orbital is more stable than incompletely filled $d $ orbital)
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