(i) What type of isomerism is shown by the complex $[C r (H_{2} O)_{6}] C l_{3}$ ?
(ii) On the basis of crystal field theory, write the electronic configuration for $4 d$ ion if $Δ_{0} > P$ .
(iii) Write the hybridization and shape of $[C o F_{6}]^{3 -}$ (Atomic number of Co=27).

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Solution

(i) Hydrate isomerism shown by the complex $[C r (H_{2} O)_{6}] C l_{3}$
$[C r (H_{2} O)_{5} C l] C l_{2} (H_{2} O)$ ; $[C r (H_{2} O)_{3} C l_{3}]_{3} (H_{2} O)$
(ii) Since $Δ_{o} > P$ , it is on splitting $t_{2 g}^{4} e g^{o}$ .
(iii) $[C o F_{6}]^{3 -}$ : $s p^{3} d^{2}$ hybridization and octahedral shape $C o^{3 +}$ .

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d^{4}

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(i)

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(ii)

Δ_{0} < P

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Give the electronic configuration of the following complexes on the basis of crystal field splitting theory. $[C o F_{6}]^{3 -}, [F e (C N)_{6}]^{4 -}$ and $[C u (N H_{3})_{6}]^{2 +} .$

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(i) What type of isomerism is shown by the complex [Cr(H2O)6]Cl3?(ii) On the basis of crystal field theory, write the electronic configuration for 4d ion if Δ0>P.(iii) Write the hybridization and shape of [CoF6]3−(Atomic number of Co=27).

(i) Hydrate isomerism shown by the complex [Cr(H2O)6]Cl3 [Cr(H2O)5Cl]Cl2(H2O);[Cr(H2O)3Cl3]3(H2O)(ii) Since Δo>P, it is on splitting t42gego.(iii) [CoF6]3− : sp3d2 hybridization and octahedral shape Co3+.

(i) What type of isomerism is shown by the complex $[C r (H_{2} O)_{6}] C l_{3}$ ?
(ii) On the basis of crystal field theory, write the electronic configuration for $4 d$ ion if $Δ_{0} > P$ .
(iii) Write the hybridization and shape of $[C o F_{6}]^{3 -}$ (Atomic number of Co=27).