# Which of these is the most basic oxide.

$(a)\;FeO \\(b)\;CHO \\ (c)\;SnO_2 \\ (d)\;K_2O$

$K_2O$ is correct.
$K_2O$ is more basic because $K_2O$ give more OH ion in aqueous solution
Hence d is the correct answer.
answered Mar 6, 2014 by
edited 1 day ago