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The substance/s which react with hot con...

The substance/s which react with hot conc. NaOH soln. & undergoes an eutralization reaction ______ `[Al_(2)O_(3)//Al//Al(OH)_(3)]`

A

`Al_(2)O_(3)`

B

Al

C

`Al(OH)_(3)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
Aluminium oxide `Al_(2)O_(3)` displays acidic properties and thus undergoes neutralisation reaction with hot conc. NaOH as:
`Al_(2)O_(3) + 2NaOH + 3H_(2)O rarr 2NaAl(OH)_(4)`
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