A) Li
B) K
C) Rb
D) Na
Correct Answer: C
Solution :
Reactivity with water increases on moving down the Goup from Li to Cs as Li < Na < K < Rb < Cs. This is due to increase in electropositive character. Hence Rb reacts most vigorously with water.You need to login to perform this action.
You will be redirected in
3 sec