A) the two crystals are not isomorphous
B) the molar mass of NaF is smaller than that of RbBr
C) the intern clear distance, \[{{r}_{c}}+{{r}_{a}}\]is greater for RbBr than for NaF
D) the bond in RbBr has more covalent character than the bond in NaF.
Correct Answer: C
Solution :
[c] : This leads to stronger coulombic forces of attractions in NaRYou need to login to perform this action.
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