Q.
False statement among the following about the compounds of first group is
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a
Low solubility of LiF is due to its high lattice enthalpy
b
Crude sodium chloride obtained from sea water contains MgSO4 impurity
c
Alkali metal fluoride with maximum negative value of standard enthalpy of formation is LiF
d
NaOH is used in mercirizing cotton
answer is B.
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Detailed Solution
MgCl2, CaCl2,CaSO4, Na2SO4are the impurities associated with crude sodium chloride obtained from sea water
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