A) Ca
B) Na
C) Mg
D) Be
Correct Answer: A
Solution :
Atomic size increased down the group and decreases in period from left to right. So, calcium (Ca) is largest size. \[\because \] \[pH=2\] \[\therefore \] \[[{{H}^{+}}]={{10}^{-2}}\]You need to login to perform this action.
You will be redirected in
3 sec