Amongst the following hydroxides, the one wlhich has the lowest value of k,, at ordinary temperature (about 25°c) is (a) mg(oh), (b) ca(o), ()ba(oh), )be{oh), 1

Amongst the following hydroxides, the one wlhich has the lowest value of K,, at ordinary temperature (about 25°C) is (a) Mg(OH), (b) Ca(o), ()Ba(OH), )Be{OH), 106/811