Which of the following oder is wrong - P (1) \( \mathrm{NH}_{3}\mat...

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Which of the following oder is wrong -
P
(1) \( \mathrm{NH}_{3}\mathrm{PH}_{3}\mathrm{AsH}_{3} \Rightarrow \) Acidic character
W.
(2) \( \mathrm{Li}\mathrm{Be}\mathrm{B}\mathrm{C} \Rightarrow \mathrm{E}_{1} \)
(3) \( \mathrm{Al}_{2} \mathrm{O}_{3}\mathrm{MgO}\mathrm{Na}_{2} \mathrm{O}\mathrm{K}_{2} \mathrm{O} \Rightarrow \) Basic character
(4) \( \mathrm{Li}^{+}\mathrm{Na}^{+}\mathrm{K}^{+}\mathrm{Cs}^{+} \Rightarrow \) Ionic radius
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