MCQ
Which of the following oxides is most basic
- ✓$N{a_2}O$
- B$A{l_2}{O_3}$
- C$Si{O_2}$
- D$S{O_2}$
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Statement $I$ : The electronegativity of group $14$ elements from $\mathrm{Si}$ to $\mathrm{Pb}$ gradually decreases.
Statement $II$ : Group $14$ contains non-metallic, metallic, as well as metalloid elements.
In the light of the above statements, choose the most appropriate from the options given below :