Question

Silicon reacts with hot solution of NaOH forming :

• A. Si(OH)4
• B. Si(OH)2
• C. SiO2
• D. Na4SiO4

Answer 1

Answer: (D)

Na4SiO4

Answer 2

Si + NaOH (hot) $\longrightarrow$Na4[SiO4] (silicate)