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2. structure of atom — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistry2. structure of atom1 Mark
MCQ
Which of the following configuration is correct for iron
  • A
    $1{s^2}2{s^2}2{p^6}3{s^2}3{p^6}3{d^5}$
  • B
    $1{s^2}2{s^2}2{p^6}3{s^2}3{p^6}4{s^2}3{d^5}$
  • C
    $1{s^2}2{s^2}2{p^6}3{s^2}3{p^6}4{s^2}3{d^7}$
  • ✓
    $1{s^2}2{s^2}2{p^6}3{s^2}3{p^6}4{s^2}3{d^6}$
✓

Answer

Correct option: D.
$1{s^2}2{s^2}2{p^6}3{s^2}3{p^6}4{s^2}3{d^6}$
d
(d) $1{s^2}2{s^2}2{p^6}3{s^2}3{p^6}4{s^2}3{d^6}$ it shows electronic configuration of Iron.

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