JEE MAIN - Chemistry (2025 - 23rd January Evening Shift - No. 5)
Given below are the atomic numbers of some group 14 elements. The atomic number of the element with lowest melting point is :
14
50
6
82
Explanation
Order of M.P. of group 14: $\mathrm{C}>\mathrm{Si}>\mathrm{Ge}>\mathrm{Pb}>\mathrm{Sn}$
| Element | M.P. ($^\circ$C) |
|---|---|
| Z = 6 = C | 3730 |
| Z = 14 = Si | 1410 |
| Z = 32 = Ge | 937 |
| Z = 50 = Sn | 232 |
| Z = 82 = Pb | 327 |
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