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Class 12 Exam  >  Class 12 Questions  >  Which of the following types of octahedral co... Start Learning for Free
Which of the following types of octahedral complexes will exhibit geometrical isomerism (where, M = metal, a, b = achiral ligands)?
  • a)
    [Ma6]
  • b)
    [Ma5b]
  • c)
    [Ma4b2]
  • d)
    [M(aa)3]
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
Which of the following types of octahedral complexes will exhibit geom...
Octahedral complexes of formula [Ma4b2] in which the two ligands b may be oriented cis or trans to each other, e.g.
Geometrical isomers (cis and trans) of [Co(NH3)4CI2]+.
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Most Upvoted Answer
Which of the following types of octahedral complexes will exhibit geom...
Octahedral complexes are coordination compounds with a central metal ion surrounded by six ligands. Geometrical isomerism occurs when there are different spatial arrangements of ligands around the metal ion, resulting in isomers with different geometries.

Let's analyze the given options to determine which ones can exhibit geometrical isomerism:

a) [Ma6]: In this complex, all six ligands are the same (a), so there is no possibility for geometrical isomerism. The ligands are arranged in an octahedral fashion around the metal ion.

b) [Ma5b]: This complex has five ligands of type a and one ligand of type b. Since the ligands of type a are all the same, there is no possibility for geometrical isomerism. The ligands are arranged in an octahedral fashion around the metal ion.

c) [Ma4b2]: This complex has four ligands of type a and two ligands of type b. Since there are two different types of ligands, there is a possibility for geometrical isomerism. The two ligands of type b can be arranged in two different ways, resulting in cis and trans isomers. In the cis isomer, the two ligands of type b are adjacent to each other, while in the trans isomer, they are opposite to each other. Thus, option C exhibits geometrical isomerism.

d) [M(aa)3]: This complex has three ligands of type aa. Since all the ligands are the same, there is no possibility for geometrical isomerism. The ligands are arranged in an octahedral fashion around the metal ion.

In summary, only option C ([Ma4b2]) exhibits geometrical isomerism because it has two different types of ligands, a and b.
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Read the passage given below and answer the following questions:The existence of coordination compounds with the same formula but different arrangements of the ligands was crucial in the development of coordination chemistry. Two or more compounds with the same formula but different arrangements of the atoms are called isomers. Isomers are compounds with the same molecular formula but different structural formulas and do not necessarily share similar properties. There are many different classes of isomers, like stereoisomers, enantiomers, and geometrical isomers. There are two main forms of isomerism: structural isomerism and stereoisomerism. The different chemical formulas in structural isomers are caused either by a difference in what ligands are bonded to the central atoms or how the individual ligands are bonded to the central atoms.The following questions are multiple choice questions. Choose the most appropriate answer:Q. Which of the following complexes show linkage isomerism?

Read the passage given below and answer the following questions:The existence of coordination compounds with the same formula but different arrangements of the ligands was crucial in the development of coordination chemistry. Two or more compounds with the same formula but different arrangements of the atoms are called isomers. Isomers are compounds with the same molecular formula but different structural formulas and do not necessarily share similar properties. There are many different classes of isomers, like stereoisomers, enantiomers, and geometrical isomers. There are two main forms of isomerism: structural isomerism and stereoisomerism. The different chemical formulas in structural isomers are caused either by a difference in what ligands are bonded to the central atoms or how the individual ligands are bonded to the central atoms.The following questions are multiple choice questions. Choose the most appropriate answer:Q. Due to the presence of ambidentate ligands, coordination compounds show isomerism. Palladium complexes of the type [Pd(C6H5)2(SCN)2] and [Pd(C6H5)2(NCS)2] are

Which of the following types of octahedral complexes will exhibit geometrical isomerism (where, M = metal, a, b = achiral ligands)?a)[Ma6]b)[Ma5b]c)[Ma4b2]d)[M(aa)3]Correct answer is option 'C'. Can you explain this answer?
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Which of the following types of octahedral complexes will exhibit geometrical isomerism (where, M = metal, a, b = achiral ligands)?a)[Ma6]b)[Ma5b]c)[Ma4b2]d)[M(aa)3]Correct answer is option 'C'. Can you explain this answer? for Class 12 2025 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Which of the following types of octahedral complexes will exhibit geometrical isomerism (where, M = metal, a, b = achiral ligands)?a)[Ma6]b)[Ma5b]c)[Ma4b2]d)[M(aa)3]Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 12 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following types of octahedral complexes will exhibit geometrical isomerism (where, M = metal, a, b = achiral ligands)?a)[Ma6]b)[Ma5b]c)[Ma4b2]d)[M(aa)3]Correct answer is option 'C'. Can you explain this answer?.
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