Discussion
At the eutectic point of a two-component condensed system the number of degrees of freedom is
Answer: B
Correct answer: zero
\[ F' = C - P + 1 = 2 - 3 + 1 = 0. \] Two solids and the liquid coexist at the eutectic, so nothing can be varied: the temperature and both compositions are fixed. That invariance is why a eutectic melt gives a horizontal arrest on a cooling curve, just as a pure substance does.
No comment is present. Be the first to comment.
Loading…
Post your comment
Please log in or register to post a comment.
Examination Categories
- SSC Exams
- Banking Exams
- Teaching Exams
- Civil Services Exams
- Railways Exams
- Engineering Recruitment Exams
- Defence Exams
- State Government Exams
- Police Exams
- Insurance Exams
- Nursing Exams
- Other Government Exams
- NRA CET
- PG Entrance Exams
- Campus Placement
- MBA Entrance Exams
- CUET and UG Entrance
- Judiciary Exams
- Regulatory Body Exams
- Software Development