Question

Which is the correct order of basic nature :
Ba(OH)2 > Mg(OH)2 > Sr(OH)2
Ba(OH)2 > Sr(OH)2 < Ca(OH)2
Ba(OH)2 <Sr(OH)2 Ca(OH)2
Ba(OH)2 > Sr(OH)2 > Ca(OH)2​

Answer 1

Answer:

C

down the group basicity is decrease

Explanation:

Because when number of orbit reduces, attraction between nucleus and outermost orbit electron increases. This need more energy to get free electron from outer most orbit