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Q.

Select the correct choice for the following statements:

Statements – I : LiF and Li2O comparatively much less soluble in water than the corresponding compounds of other alkali metals.

Statement – II : Lithium is much harder than the other alkali metals

Statement – III : Lithium is most reactive and strongest reducing agent among all the alkali metals.    

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a

I and II are correct

b

only I is correct

c

only II is correct

d

I, II and iii are correct

answer is C.

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Detailed Solution

 LiF and Li2O has high lattice energy, therefore there solubility is low in water.

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Select the correct choice for the following statements: Statements – I : LiF and Li2O comparatively much less soluble in water than the corresponding compounds of other alkali metals. Statement – II : Lithium is much harder than the other alkali metals Statement – III : Lithium is most reactive and strongest reducing agent among all the alkali metals.