How many geometric isomers are possible in the following coordination entities?
(a) $[C r (O X)_{3}]^{3 -}$
(b) $[C o C l_{3} (N H_{3})_{3}]$

0, 2

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2, 0

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2, 2

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4, 0

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Solution

The correct option is A 0, 2
$[C r (O X)_{3}]^{3 -}$ will have 2 optical isomers but have no geometrical isomers.
$[C o C l_{3} (N H_{3})_{3}]$ show two facial and meridional geometrical isomers as

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Similar questions

[C r (o x)_{3}]^{3 -}

[C o C l_{3} (N H_{3})_{3}]

How many geometrical isomers are possible in the following coordination entities?

(i) [Cr(C₂O₄)₃]³⁻ (ii) [Co(NH₃)₃Cl₃]

How many geometrical isomers are possible in the following coordination entities?
(1). ${[C r {(C_{2} O_{4})}_{3}]}_{3}^{3 -}$

(2). $[C o {(N H_{3})}_{3} C l_{3}]$

[C o {({N H}_{3})}_{3} {C l}_{3}]

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