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Which of the following is weakest basic oxide ?

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Fe2O3

FeO

BaO

Na2O

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detailed solution

Correct option is A

Positive charge density ∝1 Basic nature

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The number of correct options is

${(a) I}^{⊖} > {Br}^{⊖} > {Cl}^{⊖} > F^{⊖} (polarisability)$

$(b) {Li}^{\oplus} > {Na}^{\oplus} > K^{\oplus} > {Rb}^{\oplus} (polarisation power)$

$(c) H_{2} O > H_{2} S > H_{2} Se > H_{2} Te (order of b.pt.)$

$(d) {H_{2}}^{⊖} < H_{2}^{\oplus} (order of stability)$

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