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Dry hydrogen chloride gas was passed through heated iron wire as shown in the diagram below

Dry hydrogen chloride gas was passed through heated iron wire as shown in the diagram
below

a) (i) How can the identity of the substance burning with flame Z be confirmed.
(ii) What is observed in combustion tube during the experiment?
(iii) Write the equation for the reaction taking place in the combustion tube.
(iv) Chlorine gas was passed over the product obtained in the combustion tube to give
another product Q
a) State one precaution that should be taken. Explain
b) Identify product Q
c) The total mass of product Q formed was found to be 5.3g. Calculate the volume of
chlorine gas used.
(Cl = 35.5, Fe= 56, Molar gas volume at room temperature = 2400cm³)

Answers

(i) Insert a burning splint in the gas jar if it burns with a “pop” sound its hydrogen.
(ii) Green solid;
(iii) 2HCl(g) + Fe(s)---------> FeCl₂ + H₂(g);
(iv) (a) should be done in a fume chamber/open space; chlorine gas is poisonous.
(b) Q = Iron (III) Chloride.
(c) 2FeCl₂(s) + Cl₂(g)--------> 2FeCl₂(s)

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sharon kalunda answered the question on May 17, 2019 at 08:07

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