AP and TS EAMCET Engineering 2020 Model Paper 2

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Question : 127 of 160

Marks: +1, -0

Which of the following order is wrong ?

N−3>O−2>F−>Na+ (ionic radii)
Li<Be<B<C(IE1)
Al2O3<MgO<Na2O<K2O (Basic nature)
Cl>F>Br>I(electron gain enthalpy)

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