Group-$13$ elements react with $O_2$ to form oxides of the type $M_2O_3$ ($M =$ element). Which among the following is the most basic oxide?

  • A
    $Al_2O_3$
  • B
    $Ga_2O_3$
  • C
    $Tl_2O_3$
  • D
    $B_2O_3$

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