Chemistry Coordination Compounds Class 12th Chemistry NCERT Exemplar Solutions Class 12th Chapter Fifteen Chemistry

Reaction of [Co(H2O)6]2+ with excess ammonia and in the presence of oxygen results into a diamagnetic product. Number of electrons present in t2g-orbitals of the product is_________.

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Raj Pandey | Contributor-Level 9

6 months ago

${[C o {(H_{2} O)}_{6}]}^{2 +} + N H_{3 (e x c e s s)} \to \underset{D i a m a g n e t i c n a t u r e}{{[C o {(N H_{3})}_{6}]}^{3 +} + 6 H_{2} O}$

$C o^{3 +} \to 3 d^{6} 4 s^{0}$

$\Rightarrow {t_{2 g}}^{6} e g^{0}$

$\Rightarrow {t_{2 g}}^{6} e g^{0}$ (form of paired electron)

No. of electron in t_2g = 6

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