Which of the following statements regarding aluminium is not correct?

Moderate

A

Aluminium is a light metal with considerable strength
B

Aluminium is a good conductor of heat and electricity
C

The corrosion of the aluminium metal is prevented by the formation of a coat of aluminium oxide on its layer
D

Aluminium dissolves in hydrochloric acid but not in concentrated sodium hydroxide

Solution

Aluminium dissolves both in HCl and conc. NaOH
$2 Al + 6 HCl \to {Al}_{2} {Cl}_{3} + 3 H_{2} and 2 Al + 2 NaOH + 6 H_{2} O \to 2 Na [Al (OH)_{4}] + 3 H_{2} O$

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

SCAN ME