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JEE Main 2005

Exam: JEE Main
Year: 2005
Subject: Chemistry
Chapter: p Block Elements (Group 13 & 14)

JEE Main 2005 · Chemistry · p Block Elements (Group 13 & 14)

Heating an aqueous solution of aluminium chloride to dryness will...

Heating an aqueous solution of aluminium chloride to dryness will give

Options

A $\mathrm{AlCl}_3$
B $\mathrm{Al}_2\mathrm{Cl}_6$
C $\mathrm{Al}_2\mathrm{O}_3$
D $\mathrm{Al}(\mathrm{OH}) \mathrm{Cl}_2$

Correct answer

C. $\mathrm{Al}_2\mathrm{O}_3$

Step-by-step solution

\mathrm{Al}_2 \mathrm{Cl}_6 6 \mathrm{H}_2 \mathrm{O} \longrightarrow \mathrm{Al}_2 \mathrm{O}_3++6 \mathrm{HCl}+3 \mathrm{H}_2 \mathrm{O} \uparrow

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