• # question_answer Which of the following oxides is the most acidic [CBSE PMT 1999; MP PMT 2002] A) ${{N}_{2}}{{O}_{5}}$ B) ${{P}_{2}}{{O}_{5}}$ C) $A{{s}_{2}}{{O}_{5}}$ D) $S{{b}_{2}}{{O}_{5}}$

${{N}_{2}}{{O}_{5}}$ is most acidic.