S Block Elements Question 245
Question: Aluminium reacts with caustic soda to form
[DCE 2004]
Options:
A) Aluminium hydroxide
B) Aluminium oxide
C) Sodium meta-aluminate
D) Sodium tetra aluminate
Show Answer
Answer:
Correct Answer: C
Solution:
Aluminium reacts with caustic soda to form sodium meta aluminate. $ 2Al+2NaOH+2H_2O\to $
$ \underset{{}}{\mathop{\underset{\text{Sodium meta aluminate}}{\mathop{2NaAlO_2}}+3H_2\uparrow }} $
BETA
