Question

Given the incomplete equation representing a reaction:

Answer 1

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it will be OH- (aq)

Answer 2

Answer : The formula of the missing product is, $OH^_$

Explanation :

The given incomplete equation representing a reaction,

$2Na(s)+2H_2O(l)\rightarrow 2Na^+(aq)+2__(aq)+H_2(g)$

When the sodium metal react with the water then it gives a colorless solution of sodium hydroxide and hydrogen gas. In the solution, sodium hydroxide is present in the form of ions i.e, $Na^+$ and $OH^-$ ions.

The balanced chemical reaction will be,

$2Na(s)+2H_2O(l)\rightarrow 2Na^+(aq)+2OH^-(aq)+H_2(g)$

Therefore, the formula of the missing product is, $OH^_$