Question
Chemistry Question on Partial pressure
The correct order of melting point is
A
Be > Mg > Ca > Sr
B
Sr > Ca > Mg > Be
C
Be > Ca > Mg > Sr
D
Be > Ca > Sr > Mg
Answer
Be > Ca > Sr > Mg
Explanation
Solution
| Element | M.P. |
|---|---|
| Be | 1560 K |
| Mg | 924 K |
| Ca | 1124 K |
| Sr | 1062 K |
So the correct order is Be > Ca > Sr > Mg