A) \[N{{H}_{3}}<P{{H}_{3}}<As{{H}_{3}}\text{Acidic}\]
B) \[Li<Be<B<CI{{E}_{1}}\]
C) \[A{{l}_{2}}{{O}_{3}}<MgO<N{{a}_{2}}O<{{K}_{2}}O-\text{Basic}\]
D) \[L{{i}^{+}}<N{{a}^{+}}<{{K}^{+}}<C{{s}^{+}}-\text{Ionic}\,\,\text{radius}\]
Correct Answer: B
Solution :
[b] The right sequence of\[I.{{E}_{1}}\]of \[Li<B<Be<C.\]
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