Verified Solution • 2025–26 Session moderate

QAIPM-2012-Ch-1642: NEET 2012 Chemistry - Class 12 AIPM-2012-Ch-1642 Solution: Low spin complex of \(d^6\)-cation in an octahedral field will…

Low spin complex of d6d^6-cation in an octahedral field will have the following energy 125Δo+P\frac{12}{5}\Delta_o + P 125Δo+3P\frac{12}{5}\Delta_o + 3P 25Δo+2P\frac{2}{5}\Delta_o + 2P 25Δo+P\frac{2}{5}\Delta_o + P

Multiple Choice Options

  • A −125Δo+P{{ - 12} \over 5}{\Delta _o} + P 5 _ 12 _ _ o _ + P
  • B −125Δo+3P{{ - 12} \over 5}{\Delta _o} + 3P 5 _ 12 _ _ o _ + 3 P
  • C −25Δo+2P{{ - 2} \over 5}{\Delta _o} + 2P 5 _ 2 _ _ o _ + 2 P
  • D −25Δo+P{{ - 2} \over 5}{\Delta _o} + P 5 _ 2 _ _ o _ + P

Step-by-Step Verified Solution

For low spin d 6 complex electronic configuration = t 2 g 6 e g 0 _ x = 6, y = 0, z = 3 C.F.S.E. = (� 0.4 _ 6 + 0 _ 0.6) _ 0 + 3P = _ 12 5 _ 0 + 3 P

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