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The number of d-electrons in Fe²⁺(Z=26) is not equal to the number of electrons in which one of the following
Options
(a) p-electrons in Cl(Z=17)
(b) d-electrons in Fe(Z=26)
(c) p-electrons in Ne(Z=10)
(d) s-electrons in Mg(Z=12)
Correct Answer:
p-electrons in Cl(Z=17)
Explanation:
Fe⁺²=3d⁶(number of ‘d’ electrons =6)
In Cl = 1s² 2s² 2p⁶ 3s² 3p⁵
total p electrons =11 which are not equal to number of d electrons in Fe⁺²
p-electrons in Ne =1s² 2s² 2p⁶=6
s-electrons in Mg=1s² 2s² 2p⁶ 3s² =6.
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Topics: D and F Block Elements
(91)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Enzymes with two sites are called
- If 200 mL of gas at 27°C is cooled to 7°C at constant pressure, its final volume will be
- Action of acetylene on dilute H₂SO₄ gives
- Which of the following pairs of substance on reaction will not evolve H₂ gas
- The metal-carbon bond in metal carbonyl possesses
Topics: D and F Block Elements (91)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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