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Valence shell electron pair repulsion theory (VSEPR) provides a method for predicting the shape of molecules, based on the electron pair electrostatic repulsion. According to VSEPR model, molecules adopt geometries in which their valence electron pairs position themselves as far from each other as possible. The VSEPR model considers double and triple bonds to have slightly greater repulsive effects than single bonds because of the repulsive effect of π electrons. However, the lone pair creates the maximum repulsive effect.
Q. Which of the following does not represent the isostructural pair ?
- a)SF5– and IF5
- b)CIO2F3 and SOF4
- c)SeF3+ and XeO3
- d)None
Correct answer is option 'D'. Can you explain this answer?
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Understanding Isostructural Pairs
Isostructural molecules are compounds that have similar structures or geometries, despite potentially differing in chemical composition. To determine if the given pairs are isostructural, we need to analyze their molecular geometries based on VSEPR theory.
Analysis of Each Pair
- SF5– and IF5
- Both SF5– and IF5 exhibit a trigonal bipyramidal geometry. The presence of a lone pair in SF5– slightly alters the geometry compared to IF5, but they remain isostructural.
- ClO2F3 and SOF4
- ClO2F3 has a trigonal bipyramidal structure while SOF4 adopts a similar arrangement with a different distribution of atoms. These two also qualify as isostructural.
- SeF3+ and XeO3
- SeF3+ has a seesaw shape due to the presence of a lone pair, while XeO3 is trigonal pyramidal. The presence of different electron pairs affects their geometries significantly, making them non-isostructural.
Conclusion on the Correct Answer
- The pair that does not represent an isostructural relationship is SeF3+ and XeO3 due to their differing geometries. Hence, the correct answer is option D: None.
In summary, while SF5– and IF5, and ClO2F3 and SOF4 are isostructural, SeF3+ and XeO3 are not, confirming that option D is indeed the correct choice.
Isostructural molecules are compounds that have similar structures or geometries, despite potentially differing in chemical composition. To determine if the given pairs are isostructural, we need to analyze their molecular geometries based on VSEPR theory.
Analysis of Each Pair
- SF5– and IF5
- Both SF5– and IF5 exhibit a trigonal bipyramidal geometry. The presence of a lone pair in SF5– slightly alters the geometry compared to IF5, but they remain isostructural.
- ClO2F3 and SOF4
- ClO2F3 has a trigonal bipyramidal structure while SOF4 adopts a similar arrangement with a different distribution of atoms. These two also qualify as isostructural.
- SeF3+ and XeO3
- SeF3+ has a seesaw shape due to the presence of a lone pair, while XeO3 is trigonal pyramidal. The presence of different electron pairs affects their geometries significantly, making them non-isostructural.
Conclusion on the Correct Answer
- The pair that does not represent an isostructural relationship is SeF3+ and XeO3 due to their differing geometries. Hence, the correct answer is option D: None.
In summary, while SF5– and IF5, and ClO2F3 and SOF4 are isostructural, SeF3+ and XeO3 are not, confirming that option D is indeed the correct choice.
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Valence shell electron pair repulsion theory (VSEPR) provides a method for predicting the shape of molecules, based on the electron pair electrostatic repulsion. According to VSEPR model, molecules adopt geometries in which their valence electron pairs position themselves as far from each other as possible. The VSEPR model considers double and triple bonds to have slightly greater repulsive effects than single bonds because of the repulsive effect of π electrons. However, the lone pair creates the maximum repulsive effect.Q.Which of the following does not represent the isostructural pair ?a)SF5– and IF5b)CIO2F3 and SOF4c)SeF3+ and XeO3d)NoneCorrect answer is option 'D'. Can you explain this answer?
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Valence shell electron pair repulsion theory (VSEPR) provides a method for predicting the shape of molecules, based on the electron pair electrostatic repulsion. According to VSEPR model, molecules adopt geometries in which their valence electron pairs position themselves as far from each other as possible. The VSEPR model considers double and triple bonds to have slightly greater repulsive effects than single bonds because of the repulsive effect of π electrons. However, the lone pair creates the maximum repulsive effect.Q.Which of the following does not represent the isostructural pair ?a)SF5– and IF5b)CIO2F3 and SOF4c)SeF3+ and XeO3d)NoneCorrect answer is option 'D'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Valence shell electron pair repulsion theory (VSEPR) provides a method for predicting the shape of molecules, based on the electron pair electrostatic repulsion. According to VSEPR model, molecules adopt geometries in which their valence electron pairs position themselves as far from each other as possible. The VSEPR model considers double and triple bonds to have slightly greater repulsive effects than single bonds because of the repulsive effect of π electrons. However, the lone pair creates the maximum repulsive effect.Q.Which of the following does not represent the isostructural pair ?a)SF5– and IF5b)CIO2F3 and SOF4c)SeF3+ and XeO3d)NoneCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Valence shell electron pair repulsion theory (VSEPR) provides a method for predicting the shape of molecules, based on the electron pair electrostatic repulsion. According to VSEPR model, molecules adopt geometries in which their valence electron pairs position themselves as far from each other as possible. The VSEPR model considers double and triple bonds to have slightly greater repulsive effects than single bonds because of the repulsive effect of π electrons. However, the lone pair creates the maximum repulsive effect.Q.Which of the following does not represent the isostructural pair ?a)SF5– and IF5b)CIO2F3 and SOF4c)SeF3+ and XeO3d)NoneCorrect answer is option 'D'. Can you explain this answer?.
Valence shell electron pair repulsion theory (VSEPR) provides a method for predicting the shape of molecules, based on the electron pair electrostatic repulsion. According to VSEPR model, molecules adopt geometries in which their valence electron pairs position themselves as far from each other as possible. The VSEPR model considers double and triple bonds to have slightly greater repulsive effects than single bonds because of the repulsive effect of π electrons. However, the lone pair creates the maximum repulsive effect.Q.Which of the following does not represent the isostructural pair ?a)SF5– and IF5b)CIO2F3 and SOF4c)SeF3+ and XeO3d)NoneCorrect answer is option 'D'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Valence shell electron pair repulsion theory (VSEPR) provides a method for predicting the shape of molecules, based on the electron pair electrostatic repulsion. According to VSEPR model, molecules adopt geometries in which their valence electron pairs position themselves as far from each other as possible. The VSEPR model considers double and triple bonds to have slightly greater repulsive effects than single bonds because of the repulsive effect of π electrons. However, the lone pair creates the maximum repulsive effect.Q.Which of the following does not represent the isostructural pair ?a)SF5– and IF5b)CIO2F3 and SOF4c)SeF3+ and XeO3d)NoneCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Valence shell electron pair repulsion theory (VSEPR) provides a method for predicting the shape of molecules, based on the electron pair electrostatic repulsion. According to VSEPR model, molecules adopt geometries in which their valence electron pairs position themselves as far from each other as possible. The VSEPR model considers double and triple bonds to have slightly greater repulsive effects than single bonds because of the repulsive effect of π electrons. However, the lone pair creates the maximum repulsive effect.Q.Which of the following does not represent the isostructural pair ?a)SF5– and IF5b)CIO2F3 and SOF4c)SeF3+ and XeO3d)NoneCorrect answer is option 'D'. Can you explain this answer?.
Solutions for Valence shell electron pair repulsion theory (VSEPR) provides a method for predicting the shape of molecules, based on the electron pair electrostatic repulsion. According to VSEPR model, molecules adopt geometries in which their valence electron pairs position themselves as far from each other as possible. The VSEPR model considers double and triple bonds to have slightly greater repulsive effects than single bonds because of the repulsive effect of π electrons. However, the lone pair creates the maximum repulsive effect.Q.Which of the following does not represent the isostructural pair ?a)SF5– and IF5b)CIO2F3 and SOF4c)SeF3+ and XeO3d)NoneCorrect answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for JEE.
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