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What is common between given cations and anions, O2-, F-, Na+, Mg2+, Al3+?
- a)All have same ionic radii
- b)All are isoelectronic species having 10 electrons
- c)All of them belong to the third period
- d)The nature of oxides of all the ions is basic
Correct answer is option 'B'. Can you explain this answer?
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What is common between given cations and anions, O2-, F-, Na+, Mg2+, A...
Common Characteristics of the Given Cations and Anions:
1. Isoelectronic Species:
- The given cations and anions are all isoelectronic species, meaning they have the same number of electrons.
- O2-, F-, Na+, Mg2+, and Al3+ all have 10 electrons.
- Isoelectronic species have similar electron configurations and therefore exhibit similar chemical properties.
2. Electron Configurations:
- The electron configurations of the given species are as follows:
- O2-: 1s2 2s2 2p6 (neon configuration)
- F-: 1s2 2s2 2p6 (neon configuration)
- Na+: 1s2 2s2 2p6 (neon configuration)
- Mg2+: 1s2 2s2 2p6 (neon configuration)
- Al3+: 1s2 2s2 2p6 (neon configuration)
- All species have completely filled valence shells, which results in high stability.
3. Ionic Radii:
- The ionic radii of the given cations and anions decrease from left to right across the period.
- O2- has the largest ionic radius, followed by F-, Na+, Mg2+, and Al3+.
- The decrease in ionic radii is due to the increasing nuclear charge attracting the electrons more strongly, resulting in a smaller size.
4. Oxides:
- The nature of the oxides formed by these species depends on their electronegativity and the type of bonding they form.
- O2- and F- are highly electronegative and tend to form ionic oxides (e.g., Na2O, MgO) which are basic in nature.
- Na+, Mg2+, and Al3+ are less electronegative and tend to form oxides with covalent character (e.g., Al2O3) which can exhibit both acidic and basic properties, depending on the conditions.
Conclusion:
- The common characteristic among the given cations and anions is that they are all isoelectronic species, having the same number of electrons.
- This similarity in electronic configuration leads to similar chemical properties among these species.
- The ionic radii of these species decrease from left to right across the period.
- The nature of the oxides formed by these species depends on their electronegativity and can be basic or amphoteric in nature.
1. Isoelectronic Species:
- The given cations and anions are all isoelectronic species, meaning they have the same number of electrons.
- O2-, F-, Na+, Mg2+, and Al3+ all have 10 electrons.
- Isoelectronic species have similar electron configurations and therefore exhibit similar chemical properties.
2. Electron Configurations:
- The electron configurations of the given species are as follows:
- O2-: 1s2 2s2 2p6 (neon configuration)
- F-: 1s2 2s2 2p6 (neon configuration)
- Na+: 1s2 2s2 2p6 (neon configuration)
- Mg2+: 1s2 2s2 2p6 (neon configuration)
- Al3+: 1s2 2s2 2p6 (neon configuration)
- All species have completely filled valence shells, which results in high stability.
3. Ionic Radii:
- The ionic radii of the given cations and anions decrease from left to right across the period.
- O2- has the largest ionic radius, followed by F-, Na+, Mg2+, and Al3+.
- The decrease in ionic radii is due to the increasing nuclear charge attracting the electrons more strongly, resulting in a smaller size.
4. Oxides:
- The nature of the oxides formed by these species depends on their electronegativity and the type of bonding they form.
- O2- and F- are highly electronegative and tend to form ionic oxides (e.g., Na2O, MgO) which are basic in nature.
- Na+, Mg2+, and Al3+ are less electronegative and tend to form oxides with covalent character (e.g., Al2O3) which can exhibit both acidic and basic properties, depending on the conditions.
Conclusion:
- The common characteristic among the given cations and anions is that they are all isoelectronic species, having the same number of electrons.
- This similarity in electronic configuration leads to similar chemical properties among these species.
- The ionic radii of these species decrease from left to right across the period.
- The nature of the oxides formed by these species depends on their electronegativity and can be basic or amphoteric in nature.
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What is common between given cations and anions, O2-, F-, Na+, Mg2+, A...
Because all elements have same no of electron
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What is common between given cations and anions, O2-, F-, Na+, Mg2+, Al3+?a)All have same ionic radiib)All are isoelectronic species having 10 electronsc)All of them belong to the third periodd)The nature of oxides of all the ions is basicCorrect answer is option 'B'. Can you explain this answer?
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What is common between given cations and anions, O2-, F-, Na+, Mg2+, Al3+?a)All have same ionic radiib)All are isoelectronic species having 10 electronsc)All of them belong to the third periodd)The nature of oxides of all the ions is basicCorrect answer is option 'B'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about What is common between given cations and anions, O2-, F-, Na+, Mg2+, Al3+?a)All have same ionic radiib)All are isoelectronic species having 10 electronsc)All of them belong to the third periodd)The nature of oxides of all the ions is basicCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is common between given cations and anions, O2-, F-, Na+, Mg2+, Al3+?a)All have same ionic radiib)All are isoelectronic species having 10 electronsc)All of them belong to the third periodd)The nature of oxides of all the ions is basicCorrect answer is option 'B'. Can you explain this answer?.
What is common between given cations and anions, O2-, F-, Na+, Mg2+, Al3+?a)All have same ionic radiib)All are isoelectronic species having 10 electronsc)All of them belong to the third periodd)The nature of oxides of all the ions is basicCorrect answer is option 'B'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about What is common between given cations and anions, O2-, F-, Na+, Mg2+, Al3+?a)All have same ionic radiib)All are isoelectronic species having 10 electronsc)All of them belong to the third periodd)The nature of oxides of all the ions is basicCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is common between given cations and anions, O2-, F-, Na+, Mg2+, Al3+?a)All have same ionic radiib)All are isoelectronic species having 10 electronsc)All of them belong to the third periodd)The nature of oxides of all the ions is basicCorrect answer is option 'B'. Can you explain this answer?.
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