The substance which react with hot conc.NaOH soln.& undergoes a neutralization reaction
Al?O?
Al
Al(OH)?
The solution is as follows:
Hot conc NaOH reacts with Al2O3 as follows:
Al2O3 + NaOH (conc) NaAlO2 + H2O
Hot conc NaOH reacts with Al2O3 as follows:
Al2O3 + NaOH (conc) NaAlO2 + H2O