Which one of the following does not react with water even under red hot condition
Options
(a) Na
(b) Be
(c) Ca
(d) K
Correct Answer:
Be
Explanation:
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Beryllium is 2nd group, in 2nd group the basic character increases down the group as 2nd group element react with water 5o give hydroxides
As beryllium belongs to 2nd group & 2nd group element react with water to form corresponding hydroxides &their reactivity increases down the group
this is due to small size and high ionization energy beryllium(Be)