Concept explainers
Interpretation:
Correct option must be chosen regarding the formation of diamond.
Concept introduction:
Diamond is one of the allotropes of C which is formed at very high pressure.
Answer to Problem 6STP
Correct answer: Option C is correct.
Explanation of Solution
Reason for correct option:
The phase diagram is represented as follows:
Option C is correct as when temperature is less than 3500 K and pressure is more than 100000 atm, carbon exists as diamond.
Reasons for incorrect options: Option A is incorrect as at temperature more than 5000K and pressure less than 100 atm, carbon can exist in vapor and liquid form.
Option B is incorrect as at temperature greater than 6000 K and pressure less than 25 atm, carbon exists in vapor form.
Option D is incorrect as at temperature less than 4500 K and pressure less than 10 atm, carbon exists as graphite form.
Chapter 12 Solutions
Chemistry: Matter and Change
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