Based on lattice energy and other considerations which one of the following alkali metal chlorides is expected to have the highest melting point
A
Licl
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
NaCl
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
KCL
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
RbCl
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is B NaCl Melting point decreases on going down the group because lattice enthalpy decreases with increase in size of the alkali metal . But due to covalent character of LiCl, its melting point is minimum and hence NaCl has highest melting point.