Question
When a mixture of iron filings and sulphur was heated, red glow spreads through the mixture and a dark grey solid was formed.
a. Identify the dark grey solid formed
b. What observation can be made when the dark grey solid react with dilute hydrochloric acid
c. Write a chemical equation in which the dark grey solid is formed during heating
a. Identify the dark grey solid formed
b. What observation can be made when the dark grey solid react with dilute hydrochloric acid
c. Write a chemical equation in which the dark grey solid is formed during heating
Answer
(a) Iron (II) sulphide (FeS)
(b) Light green solution is formed.
(c) Fe(s) + S(s) → FeS(s)
(b) Light green solution is formed.
(c) Fe(s) + S(s) → FeS(s)