p-Block Elements-I - Result Question 57
####28. Aluminium sulphide gives a foul odour when it becomes damp. Write a balanced chemical equation for the reaction.
(1997, 2M)
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Solution:
- $Al _2 S _3+6 H _2 O \longrightarrow 2 Al(OH) _3 \downarrow+\underset{\text { Foul odour }}{3 H _2 S(g) \uparrow}$
Foul odour on damping of $Al _2 S _3$ is due to the formation of $H _2 S$ gas as shown above.
