Question:
Which of the following has the largest number of isomers?
Which of the following has the largest number of isomers?
Updated On: Jun 14, 2022
- $ [Ru(NH_3)_4Cl2]^+ $
- $ [Co(en)_2Cl_2]^+ $
- $ (Ir(PR_3)_2H(CO)]^{2+} $
- $ [Co(NH_3)_5Cl]^{2+} $
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The Correct Option is B
Solution and Explanation
$(a)\, [Ru(NH_3)_4Cl_2]^+$ has two isomers- cis and trans isomers.
$(b)\, [Co(en)_2Cl_2]^+$ shows both geometrical and optical isomerism.
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di-isomer is unsymmetrical, hence shows optical Isomerism. It has three isomers.
$(c)\,[Ir(PR_3)H(CO)]^{2+}$ shows two geometrical isomers.
$(d)\, [Co(NH_3)_5Cl]^{2+}$ does not show isomerism.
$(b)\, [Co(en)_2Cl_2]^+$ shows both geometrical and optical isomerism.
undefineddi-isomer is unsymmetrical, hence shows optical Isomerism. It has three isomers.
$(c)\,[Ir(PR_3)H(CO)]^{2+}$ shows two geometrical isomers.
$(d)\, [Co(NH_3)_5Cl]^{2+}$ does not show isomerism.
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Concepts Used:
Coordination Compounds
A coordination compound holds a central metal atom or ion surrounded by various oppositely charged ions or neutral molecules. These molecules or ions are re-bonded to the metal atom or ion by a coordinate bond.
Coordination entity:
A coordination entity composes of a central metal atom or ion bonded to a fixed number of ions or molecules.
Ligands:
A molecule, ion, or group which is bonded to the metal atom or ion in a complex or coordination compound by a coordinate bond is commonly called a ligand. It may be either neutral, positively, or negatively charged.