Oxides Nature
Mediumchemistry
Acidic nature increases among Group 16 oxides in which direction?
Select the correct option:
Solution
Incorrect! Answer:
Up the group
- Electronegativity: In any group, electronegativity peaks at the top. Highly electronegative elements (O,S) pull electron density from oxygen more effectively in their oxides.
- Oxide Type: Higher oxidation state oxides of small atoms (SO3,SeO3) are strongly acidic.
- Trend: As we go up the group, metallic character decreases and non-metallic character increases.
- Result: SO2/SO3 are very acidic, while TeO2 and PoO2 show amphoteric or even weak basic character.
- General Rule: Non-metal oxides are acidic, and acidity increases as non-metallic character increases.
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About This Question
- Subject
- chemistry
- Chapter
- p-block elements
- Topic
- oxides nature
- Difficulty
- Medium
- Year
- 2025
Solution
Correct Answer:
Up the group
- Electronegativity: In any group, electronegativity peaks at the top. Highly electronegative elements (O,S) pull electron density from oxygen more effectively in their oxides.
- Oxide Type: Higher oxidation state oxides of small atoms (SO3,SeO3) are strongly acidic.
- Trend: As we go up the group, metallic character decreases and non-metallic character increases.
- Result: SO2/SO3 are very acidic, while TeO2 and PoO2 show amphoteric or even weak basic character.
- General Rule: Non-metal oxides are acidic, and acidity increases as non-metallic character increases.
This medium difficulty chemistry question is from the chapter p-block elements, covering the topic of oxides nature. It appeared in the 2025 exam.
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