1.

Which of the following oxide is least acidic [MP PMT 1990; CBSE PMT 1996]

A. \[{{P}_{4}}{{O}_{6}}\]
B. \[{{P}_{4}}{{O}_{10}}\]
C. \[A{{s}_{4}}{{O}_{6}}\]
D. \[A{{s}_{4}}{{O}_{19}}\]
Answer» D. \[A{{s}_{4}}{{O}_{19}}\]


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