Class 11 Exam > Class 11 Questions > Which of the following sublimes at ordinary t...
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Which of the following sublimes at ordinary temperature:
- a)Potassium
- b)Camphor
- c)Sulphur
- d)Sodium chloride
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Which of the following sublimes at ordinary temperature:a)Potassiumb)C...
Understanding Sublimation
Sublimation is the process where a solid transitions directly into a gas without passing through the liquid phase. This phenomenon occurs at certain temperatures and pressures, and is characteristic of specific substances.
Substances in the Question
- Potassium (K): A highly reactive metal that does not sublime; it melts and evaporates at elevated temperatures.
- Camphor: A natural organic compound known for its strong fragrance. It readily sublimes at room temperature, transitioning directly from solid to gas.
- Sulfur (S): While sulfur can sublime, it requires heating to a certain temperature. It does not sublime at ordinary room temperature.
- Sodium Chloride (NaCl): Common table salt, which does not sublime. It has a high melting point and remains solid at room temperature.
Why Camphor Sublimes
- Low Melting Point: Camphor has a melting point of about 175°C, allowing for easy transition into the gaseous state.
- Volatility: Its molecular structure allows for significant vapor pressure at room temperature, facilitating sublimation.
- Common Uses: Camphor is widely used in medicinal products, as a moth repellent, and in religious practices due to its fragrant properties.
Conclusion
The only substance among the listed options that sublimates at ordinary temperature is Camphor. This characteristic makes it unique and useful in various applications, distinguishing it from the other substances mentioned.
Sublimation is the process where a solid transitions directly into a gas without passing through the liquid phase. This phenomenon occurs at certain temperatures and pressures, and is characteristic of specific substances.
Substances in the Question
- Potassium (K): A highly reactive metal that does not sublime; it melts and evaporates at elevated temperatures.
- Camphor: A natural organic compound known for its strong fragrance. It readily sublimes at room temperature, transitioning directly from solid to gas.
- Sulfur (S): While sulfur can sublime, it requires heating to a certain temperature. It does not sublime at ordinary room temperature.
- Sodium Chloride (NaCl): Common table salt, which does not sublime. It has a high melting point and remains solid at room temperature.
Why Camphor Sublimes
- Low Melting Point: Camphor has a melting point of about 175°C, allowing for easy transition into the gaseous state.
- Volatility: Its molecular structure allows for significant vapor pressure at room temperature, facilitating sublimation.
- Common Uses: Camphor is widely used in medicinal products, as a moth repellent, and in religious practices due to its fragrant properties.
Conclusion
The only substance among the listed options that sublimates at ordinary temperature is Camphor. This characteristic makes it unique and useful in various applications, distinguishing it from the other substances mentioned.
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Which of the following sublimes at ordinary temperature:a)Potassiumb)C...
Some common solids go through sublimation at standard pressure (1 atmosphere). Carbon dioxide sublimates at -78.5 degreeC (-109.3 degreeF), and we use this “dry ice” for cooling purposes. Iodine is another substance that has been observed to sublimate at room temperature and pressure.
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Which of the following sublimes at ordinary temperature:a)Potassiumb)Camphorc)Sulphurd)Sodium chlorideCorrect answer is option 'B'. Can you explain this answer?
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Which of the following sublimes at ordinary temperature:a)Potassiumb)Camphorc)Sulphurd)Sodium chlorideCorrect 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 Which of the following sublimes at ordinary temperature:a)Potassiumb)Camphorc)Sulphurd)Sodium chlorideCorrect 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 Which of the following sublimes at ordinary temperature:a)Potassiumb)Camphorc)Sulphurd)Sodium chlorideCorrect answer is option 'B'. Can you explain this answer?.
Which of the following sublimes at ordinary temperature:a)Potassiumb)Camphorc)Sulphurd)Sodium chlorideCorrect 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 Which of the following sublimes at ordinary temperature:a)Potassiumb)Camphorc)Sulphurd)Sodium chlorideCorrect 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 Which of the following sublimes at ordinary temperature:a)Potassiumb)Camphorc)Sulphurd)Sodium chlorideCorrect answer is option 'B'. Can you explain this answer?.
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