Which of the following forms basic oxide with oxygen?
Group 5 and 3
Group 6 and 3
Group 1 and 2
Group 3 and 4
The oxides of the Group I and Group II elements react with water to form strongly basic solutions containg hydroxide anion, OH-.
An element X forms an oxide X2O3 In which group of Mendeleev’s periodic table is this element placed?
(a) group II (b) group III (c) group V (d) group VIII