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Which of the following has the lowest me...

Which of the following has the lowest melting point?

A

`Pb`

B

`Sn`

C

`Ge`

D

`Si`

Text Solution

Verified by Experts

The correct Answer is:
B
The overall order of melting points is
`C gt Si gt Ge gt Pb gt Sn`
The first three elements of group `14` have very high melting points, a characteristic of network covalent bonding, whereas the two metals in the group have low melting points.
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