Question

An element of group 2 forms covalent compound which is amphoteric in nature and dissolves in water to give an amphoteric hydroxiese. Identify the element and write chemical reaction of the hydroxide aof the element with an alkali and an acid

Answer 1

beryllium forms covalent bond as it has strong affinity to attract electron to itself. reaction with base BeO+NaOH --- H2O + Na2(Be[OH4])   AND THE REACTION WITH ACID BeO + H2SO4 ---- BeSO4 + H2O.