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CFSE in Octahedral and Tetrahedral Complexes

The value of ...

Question

The value of $Δ_{\circ}$ for complexes given below follow the order
(i) ${[C o {(N H_{3})}_{6}]}^{+ 3}$
(ii) ${[R h {(N H_{3})}_{6}]}^{+ 3}$
(iii) ${[I r {(N H_{3})}_{6}]}^{+ 3}$

I < I I I < I I

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I > I I > I I I

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I < I I < I I I

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I = I I < I I I

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Solution

The correct option is C $I < I I < I I I$
The value of Δ∘ for complexes given below follow the order.
$\begin{matrix} O c t a h e d r a l c o m p l e x - --------------------- - Δ_{o} (c m^{- 1}) - --------- - (1) {[C o {(N H_{3})}_{6}]}^{+ 3} = 22900 (2) {[R h {(N H_{3})}_{6}]}^{+ 3} = 34000 (3) {[I r {(N H_{3})}_{6}]}^{+ 3} = 41000 s o, t h e v a l u e o f Δ_{\circ} f o r c o m p l e x s i s {[C o {(N H_{3})}_{6}]}^{+ 3} < {[R h {(N H_{3})}_{6}]}^{+ 3} < {[I r {(N H_{3})}_{6}]}^{+ 3} a n d (C) i s I < I I < I I I \end{matrix}$
and the correct option is C.

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Similar questions

(Δ_{o})

[C o (N H_{3})_{6}]^{3 +}

[R h (N H_{3})_{6}]^{3 +}

[I r (N H_{3})_{6}]^{3 +}

Match the following

1. $P C l_{3}$ (i). 2 lone pairs (I) 5 Ligands

2. $C l F_{3}$ (ii). 3 lone pair (II) 3 Ligands

3. $X e F_{6}$ (iii). 0 lone pair (III) 6 Ligands

4. $S b C l_{5}$ (iv). 1 lone pairs (IV) 4 Ligands

[F e (C N)_{6}]^{4 -}

[F e (C N)_{6}]^{3 -}

[C r (N H_{3})_{6}]^{3 +}

[N i (H_{2} O)_{6}]^{2 +}

[F e (C N)_{6}]^{4 -}

[F e (C N)_{6}]^{3 -}

[C r (N H_{3})_{6}]^{3 +}

[N i (H_{2} O)_{6}]^{2 +}

I)

I I)

I I I)

I)

B e C O_{3}

I I)

M g C O_{3}

I I I)

C a C O_{3}

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