Which of the following reacts with cold water quite readily ?

Options

A. Ca
B. Sr
C. Be
D. All of these

Answer

D

Explanation

These metal have standard reduction potentials similar to those of the corresponding group 1 metals, i.e., they are quite high in the electrochemical series. The reactivity of these metals increases as we move down the group. However, they are less reactive relative to alkali metals.