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Select the correct statements about solid crystals:
- a)High pressure decreases co-ordination number
- b)High pressure increases co-ordination number
- c)High temperature increases co-ordination number
- d)High temperature decreases co-ordination number
Correct answer is option 'B,D'. Can you explain this answer?
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Most Upvoted Answer
Select the correct statements about solid crystals:a)High pressure dec...
Pressure is directly proportional to coordination number. with the increase in pressure, the constituent particles move closer hence the coordination number increases.
High temperature decreases co-ordination number.
For example:
If we heat the CsCl structure at high temperature it gets converted to NaCl structure. Thus, there is an decrease in the co-ordination number on increasing the temperature.
High temperature decreases co-ordination number.
For example:
If we heat the CsCl structure at high temperature it gets converted to NaCl structure. Thus, there is an decrease in the co-ordination number on increasing the temperature.
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Select the correct statements about solid crystals:a)High pressure dec...
Understanding Coordination Number in Solid Crystals
The coordination number in solid crystals refers to the number of nearest neighbor atoms or ions surrounding a given atom or ion. This property is influenced by both temperature and pressure.
Effect of High Pressure
- High pressure tends to increase the coordination number.
- As pressure is applied, atoms are forced closer together.
- This proximity allows for more neighboring atoms to influence a central atom, resulting in a larger coordination number.
Effect of High Temperature
- At high temperatures, the coordination number can decrease.
- Increased thermal energy leads to greater atomic vibrations and movement.
- The atoms may become too agitated to maintain close proximity with as many neighbors, thus reducing the coordination number.
Summary of Effects
- High Pressure: Increases coordination number (Option B).
- High Temperature: Decreases coordination number (Option D).
Understanding these effects is crucial for predicting the behavior and properties of materials under varying conditions, including their stability and reactivity.
The coordination number in solid crystals refers to the number of nearest neighbor atoms or ions surrounding a given atom or ion. This property is influenced by both temperature and pressure.
Effect of High Pressure
- High pressure tends to increase the coordination number.
- As pressure is applied, atoms are forced closer together.
- This proximity allows for more neighboring atoms to influence a central atom, resulting in a larger coordination number.
Effect of High Temperature
- At high temperatures, the coordination number can decrease.
- Increased thermal energy leads to greater atomic vibrations and movement.
- The atoms may become too agitated to maintain close proximity with as many neighbors, thus reducing the coordination number.
Summary of Effects
- High Pressure: Increases coordination number (Option B).
- High Temperature: Decreases coordination number (Option D).
Understanding these effects is crucial for predicting the behavior and properties of materials under varying conditions, including their stability and reactivity.
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Select the correct statements about solid crystals:a)High pressure decreases co-ordination numberb)High pressure increases co-ordination numberc)High temperature increases co-ordination numberd)High temperature decreases co-ordination numberCorrect answer is option 'B,D'. Can you explain this answer?
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