Question

A metal named X reacts violently with water produces and gave a pH more than 7 in solution. Metal X belongs to group 1. Complete the following equations.

a] Metal X react with oxygen
b]Metal X react with water
c]Metal Xhydroxide react with acid
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Answer 1

Answer:

The metal X is Na (Sodium).

a) 4Na + O2 -> 2Na2O

b) 2Na + 2H2O -> 2NaOH + 2H2

c) NaOH + HCl -> NaCl + H2O

a neutralisation reaction.

Explanation:

Sodium (Na) metal in group 1 which reacts violently with water to give Sodium Hydroxide (NaOH) . Which has a pH 14.