Answer : [tex]Si_{(s)} + 4NaOH_{(aq)}---> Na_{4}SiO_{4}_{(s)} + 2H_{2}_{(g)}[/tex]
Explanation :
Silicon in presence of aqueous sodium hydroxide undergoes single displacement/replacement reaction and forms solid sodium orthosilicate which is a stable compound.
The chemical equation for the formation of this compound is given as
[tex]4Na + Si + 2O_2 \to Na_2 Si _4[/tex]
Data;
To write the balanced chemical equation for the formation of sodium orthosilicate, we have know the constituent elements or molecules
from it's name, we are sure of
This compound is a salt of sodium silicate and can be said to be a derivative of an unstable acid called orthosilicic acid.
The chemical equation for the formation of this compound is given as
[tex]4Na + Si + 2O_2 \to Na_2 Si _4[/tex]
This shows that four moles of sodium reacts with silicon in the presence of oxygen.
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