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(a) CoCl 3 . 4 NH 3 , (b) CoCl 3 · 5 NH 3 , (c) CoCl 3 · 6 NH 3 and (d) CoCl NO 3 2 · 5 NH 3 Number of complex(es) which will exist in cis-trans form is/are

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1

Step-by-step solution

Cis-trans isomerism is a type of geometrical isomerism.This type of isomerism occurs when there is a change in spatial arrangements of ligands. Cis and trans are the two terms used for representing the position of identical ligands when they are placed adjacent and opposite (i) CoCl 3 . 4 NH 3 ⇒ Co NH 3 4 Cl 2 Cl , can exhibit cis-trans isomerism. (ii) CoCl 3 . 5 NH 3 ⇒ Co NH 3 5 Cl Cl 2 ,can't exhibit cis-trans isomerism. (iii) CoCl 3 . 6 NH 3 ⇒ Co NH 3 6 Cl 3 ,can't exhibit cis-trans iso

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