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Which one of the following is expected to exhibit optical isomerism? (en = eth ylen ediamine) [2 00 5]
  • a)
    cis [Pt(NH3)2 Cl2]
  • b)
    trans [Pt(NH3)2Cl2]
  • c)
    cis [Co(en)2Cl2]
  • d)
    trans [Co(en)2Cl2]
Correct answer is option 'C'. Can you explain this answer?
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Which one of the following is expected to exhibit optical isomerism? (...
Transform of [M(AA)2 a2]n± does not shows optical isomerism.
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Which one of the following is expected to exhibit optical isomerism? (...
None of the options is crt everything shows symmetry about the centre axis.
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Which one of the following is expected to exhibit optical isomerism? (...
Cis [Co(en)2Cl2] is expected to exhibit optical isomerism.

Explanation:
Optical isomerism occurs in compounds that have chiral centers, which are carbon atoms bonded to four different groups or ligands. Chiral centers result in the formation of two non-superimposable mirror image isomers, known as enantiomers.

In the given options, the complex [Co(en)2Cl2] has the potential to exhibit optical isomerism. Let's break down the complex to understand why:

1. Complex: [Co(en)2Cl2]
- The complex consists of a central cobalt (Co) atom bonded to two ethylenediamine (en) ligands and two chloride (Cl) ligands.
- Each ethylenediamine (en) ligand is a bidentate ligand, meaning it can form two bonds with the central metal atom.
- The en ligands contain a chiral center, as the ethylenediamine molecule has two nitrogen atoms bonded to different groups (hydrogen and ethyl group).
- The presence of chiral centers in the en ligands leads to the formation of two possible stereoisomers when they bind to the central cobalt atom.

2. Isomerism:
- In the cis isomer of [Co(en)2Cl2], the two en ligands are located on the same side of the central cobalt atom.
- In the trans isomer of [Co(en)2Cl2], the two en ligands are located on opposite sides of the central cobalt atom.
- Since the en ligands are chiral, the cis and trans isomers are non-superimposable mirror images of each other.
- This indicates that the complex [Co(en)2Cl2] can exist as two enantiomers, making it optically active and exhibiting optical isomerism.

In conclusion, the cis [Co(en)2Cl2] complex is expected to exhibit optical isomerism due to the presence of chiral ethylenediamine (en) ligands.
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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. What kind of isomerism exists between [Cr(H2O)6]Cl3 (violet) and [Cr(H2O)5Cl]Cl2.H2O (greyish green)?

Which one of the following is expected to exhibit optical isomerism? (en = eth ylen ediamine) [2 00 5]a)cis [Pt(NH3)2 Cl2]b)trans [Pt(NH3)2Cl2]c)cis [Co(en)2Cl2]d)trans [Co(en)2Cl2]Correct answer is option 'C'. Can you explain this answer?
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Which one of the following is expected to exhibit optical isomerism? (en = eth ylen ediamine) [2 00 5]a)cis [Pt(NH3)2 Cl2]b)trans [Pt(NH3)2Cl2]c)cis [Co(en)2Cl2]d)trans [Co(en)2Cl2]Correct answer is option 'C'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Which one of the following is expected to exhibit optical isomerism? (en = eth ylen ediamine) [2 00 5]a)cis [Pt(NH3)2 Cl2]b)trans [Pt(NH3)2Cl2]c)cis [Co(en)2Cl2]d)trans [Co(en)2Cl2]Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one of the following is expected to exhibit optical isomerism? (en = eth ylen ediamine) [2 00 5]a)cis [Pt(NH3)2 Cl2]b)trans [Pt(NH3)2Cl2]c)cis [Co(en)2Cl2]d)trans [Co(en)2Cl2]Correct answer is option 'C'. Can you explain this answer?.
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