Q. Aluminium reacts with caustic soda to form
A) Aluminium hydroxide
B) Aluminium oxide
C) Sodium meta-aluminate
D) Sodium tetra aluminate
Explanation
(c)
Aluminium reacts with caustic soda to form sodium meta aluminate.
$2Al + 2NaOH + 2H_{2}O \longrightarrow 2NaAlO_{2} + 3H_{2} \uparrow$
sodium
meta aluminate
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.