MCQ
Of the following, the most acidic is
  • A
    $A{s_2}{O_3}$
  • ${P_2}{O_3}$
  • C
    $S{b_2}{O_3}$
  • D
    $B{i_2}{O_3}$

Answer

Correct option: B.
${P_2}{O_3}$
b
(b) $\begin{gathered}
  \underbrace {{N_2}{O_3}\,\,\,\,\,\,\,{P_2}{O_3}\,\,\,\,\,\,\,A{s_2}{O_3}}_{Acidic\,\,\,\,\,\,\,Oxides}\,\,\,\,\,\,\underbrace {S{b_2}{O_3}}_{Amphoteric}\,\,\,\,\,\,\underbrace {B{i_2}{O_3}}_{Basic} \hfill \\
  \overrightarrow {Acidic\,character\,decreases\,down\,the\,group}  \hfill \\ 
\end{gathered} $

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