1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
crystal of MgO is much harder than one of NaCl
b
Thermal stability of sulphates increases from Mg to Ba
c
Both (a) and (b) are correct
d
None of the above
answer is C.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
Crystal structure depends on 1. ionic size 2 nature of cation and anion. 3. Charge on anion and cationhardness of ionic crystal depends on lattice energy,MgO has high Lattice energy than NaClstability of sulphates increases with electropositivity