Q.

Statement - I : Oxides of alkaline earth metals are less basic than oxides of alkali metalsStatement - II : Alkaline earth metals are less electro-positive than alkali metals

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a

Statement I and II are correct

b

Statement I is incorrect and statement  II is correct

c

Statement I is correct and Statement - II is incorrect

d

Both statement - I and II are incorrect

answer is A.

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Detailed Solution

Basic strenght of oxide electropositivity of metalAs sizes of alkali metals are greater than that of sizes of alkaline earth metals and hence the electropositivty of alkali metal are greater than that of alkaline earth metalsTherefore alkaline oxdies more basic than alkaline earth metal oxides Statement - I and statement - II are correct
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Statement - I : Oxides of alkaline earth metals are less basic than oxides of alkali metalsStatement - II : Alkaline earth metals are less electro-positive than alkali metals