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One Integer Value Correct Type
Direction (Q. Nos. 20 -24) This section contains 5 questions. When worked out will result in an integer from 0 to 9 (both inclusive).
Q.
The total number of isomers expected for [Pt(NCS)(en)2]2+ are
Correct answer is '9'. Can you explain this answer?
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One Integer Value Correct TypeDirection (Q. Nos. 20-24) This section c...
The complex can be shown in three forms as given below: [Pt(NCS)2(en)2]2+,[Pt(SCN)2(en)2]2+ and [Pt(SCN)(NCS)(en)2]2+, Each one has a trans-isomer and dextro cis and laevo cis. Hence, total isomers are 3 x 3 = 9.
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One Integer Value Correct TypeDirection (Q. Nos. 20-24) This section c...
Isomers of [Pt(NCS)(en)2]2
The given compound [Pt(NCS)(en)2]2 consists of a platinum (Pt) atom coordinated with two thiocyanate (NCS) ligands and two ethylenediamine (en) ligands. To determine the number of isomers expected for this compound, we need to consider the different possible arrangements of these ligands around the central platinum atom.
1. Identifying ligands and their coordination sites
- Thiocyanate ligand (NCS): It acts as a monodentate ligand, meaning it can bind to the metal atom through only one of its atoms (either sulfur or nitrogen).
- Ethylenediamine ligand (en): It acts as a bidentate ligand, meaning it can bind to the metal atom through two of its atoms (nitrogen atoms in this case).
2. Considering the number of coordination sites
- Platinum (Pt) atom: Since it is a transition metal, it can form coordination complexes with various ligands. In this case, it can have a maximum of six coordination sites available for ligand binding.
3. Possible isomerism types
Based on the ligands and coordination sites, there can be different types of isomerism for the given compound:
- Geometrical isomerism: This type of isomerism arises when there are two or more ligands that can be arranged differently around the central metal atom due to restricted rotation.
- Linkage isomerism: This type of isomerism arises when a ligand can bind to the metal atom through different atoms.
4. Determining the number of isomers
In the given compound, the thiocyanate ligand (NCS) can bind to the platinum (Pt) atom through either sulfur or nitrogen. Therefore, there can be two possible isomers based on linkage isomerism.
For each linkage isomer, the two ethylenediamine (en) ligands can be arranged in different ways around the Pt atom due to geometrical isomerism. Since each ethylenediamine ligand is bidentate, it can occupy two coordination sites. Therefore, there can be two possible arrangements for the ethylenediamine ligands.
Considering the two possible linkage isomers and the two possible arrangements of the ethylenediamine ligands for each isomer, we have a total of 2 * 2 = 4 isomers.
5. Correct answer
The correct answer is '4'.
The given compound [Pt(NCS)(en)2]2 consists of a platinum (Pt) atom coordinated with two thiocyanate (NCS) ligands and two ethylenediamine (en) ligands. To determine the number of isomers expected for this compound, we need to consider the different possible arrangements of these ligands around the central platinum atom.
1. Identifying ligands and their coordination sites
- Thiocyanate ligand (NCS): It acts as a monodentate ligand, meaning it can bind to the metal atom through only one of its atoms (either sulfur or nitrogen).
- Ethylenediamine ligand (en): It acts as a bidentate ligand, meaning it can bind to the metal atom through two of its atoms (nitrogen atoms in this case).
2. Considering the number of coordination sites
- Platinum (Pt) atom: Since it is a transition metal, it can form coordination complexes with various ligands. In this case, it can have a maximum of six coordination sites available for ligand binding.
3. Possible isomerism types
Based on the ligands and coordination sites, there can be different types of isomerism for the given compound:
- Geometrical isomerism: This type of isomerism arises when there are two or more ligands that can be arranged differently around the central metal atom due to restricted rotation.
- Linkage isomerism: This type of isomerism arises when a ligand can bind to the metal atom through different atoms.
4. Determining the number of isomers
In the given compound, the thiocyanate ligand (NCS) can bind to the platinum (Pt) atom through either sulfur or nitrogen. Therefore, there can be two possible isomers based on linkage isomerism.
For each linkage isomer, the two ethylenediamine (en) ligands can be arranged in different ways around the Pt atom due to geometrical isomerism. Since each ethylenediamine ligand is bidentate, it can occupy two coordination sites. Therefore, there can be two possible arrangements for the ethylenediamine ligands.
Considering the two possible linkage isomers and the two possible arrangements of the ethylenediamine ligands for each isomer, we have a total of 2 * 2 = 4 isomers.
5. Correct answer
The correct answer is '4'.
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One Integer Value Correct TypeDirection (Q. Nos. 20-24) This section contains 5 questions. When worked out will result in an integer from 0 to 9 (both inclusive).Q.The total number of isomers expected for [Pt(NCS)(en)2]2+ areCorrect answer is '9'. Can you explain this answer?
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One Integer Value Correct TypeDirection (Q. Nos. 20-24) This section contains 5 questions. When worked out will result in an integer from 0 to 9 (both inclusive).Q.The total number of isomers expected for [Pt(NCS)(en)2]2+ areCorrect answer is '9'. 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 One Integer Value Correct TypeDirection (Q. Nos. 20-24) This section contains 5 questions. When worked out will result in an integer from 0 to 9 (both inclusive).Q.The total number of isomers expected for [Pt(NCS)(en)2]2+ areCorrect answer is '9'. 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 One Integer Value Correct TypeDirection (Q. Nos. 20-24) This section contains 5 questions. When worked out will result in an integer from 0 to 9 (both inclusive).Q.The total number of isomers expected for [Pt(NCS)(en)2]2+ areCorrect answer is '9'. Can you explain this answer?.
Solutions for One Integer Value Correct TypeDirection (Q. Nos. 20-24) This section contains 5 questions. When worked out will result in an integer from 0 to 9 (both inclusive).Q.The total number of isomers expected for [Pt(NCS)(en)2]2+ areCorrect answer is '9'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 12.
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