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Among the following oxides, the one which is most basic is [1994]
- a)ZnO
- b)MgO
- c)Al2O3
- d)N2O5
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Among the following oxides, the one which is most basic is [1994]a)ZnO...
MgO. N2O5 is strongly acidic, ZnO and Al2 O3 are amphoteric, therefore, MgO is most basic.
Most Upvoted Answer
Among the following oxides, the one which is most basic is [1994]a)ZnO...
Basicity of Oxides
When an oxide reacts with water, it forms a corresponding hydroxide. The basicity of an oxide refers to the number of hydroxide ions that will be formed when one molecule of the oxide reacts with water.
The basicity of oxides generally increases from left to right across a period in the periodic table.
The basicity of oxides generally decreases down a group in the periodic table.
Explanation
In the given options, the most basic oxide is MgO.
MgO (Magnesium oxide) is a basic oxide because it reacts with water to form magnesium hydroxide (Mg(OH)2), which is a strong base.
MgO + H2O → Mg(OH)2
On the other hand, ZnO (Zinc oxide) and Al2O3 (Aluminum oxide) are amphoteric oxides, which means they can behave as both acidic and basic oxides. They react with both acids and bases to form salts.
N2O5 (Dinitrogen pentoxide) is an acidic oxide because it reacts with water to form an acid.
N2O5 + H2O → 2HNO3
Therefore, B) MgO is the most basic oxide among the given options.
When an oxide reacts with water, it forms a corresponding hydroxide. The basicity of an oxide refers to the number of hydroxide ions that will be formed when one molecule of the oxide reacts with water.
The basicity of oxides generally increases from left to right across a period in the periodic table.
The basicity of oxides generally decreases down a group in the periodic table.
Explanation
In the given options, the most basic oxide is MgO.
MgO (Magnesium oxide) is a basic oxide because it reacts with water to form magnesium hydroxide (Mg(OH)2), which is a strong base.
MgO + H2O → Mg(OH)2
On the other hand, ZnO (Zinc oxide) and Al2O3 (Aluminum oxide) are amphoteric oxides, which means they can behave as both acidic and basic oxides. They react with both acids and bases to form salts.
N2O5 (Dinitrogen pentoxide) is an acidic oxide because it reacts with water to form an acid.
N2O5 + H2O → 2HNO3
Therefore, B) MgO is the most basic oxide among the given options.
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Among the following oxides, the one which is most basic is [1994]a)ZnOb)MgOc)Al2O3d)N2O5Correct answer is option 'B'. Can you explain this answer? for Class 11 2025 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Among the following oxides, the one which is most basic is [1994]a)ZnOb)MgOc)Al2O3d)N2O5Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 11 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Among the following oxides, the one which is most basic is [1994]a)ZnOb)MgOc)Al2O3d)N2O5Correct answer is option 'B'. Can you explain this answer?.
Among the following oxides, the one which is most basic is [1994]a)ZnOb)MgOc)Al2O3d)N2O5Correct answer is option 'B'. Can you explain this answer? for Class 11 2025 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Among the following oxides, the one which is most basic is [1994]a)ZnOb)MgOc)Al2O3d)N2O5Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 11 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Among the following oxides, the one which is most basic is [1994]a)ZnOb)MgOc)Al2O3d)N2O5Correct answer is option 'B'. Can you explain this answer?.
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