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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