Chemistry
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Hydrogen chloride gas on heating above 500°C gives hydrogen and chlorine. The reaction is an example of _________ [thermal decomposition, thermal dissociation].
Hydrogen Chloride
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Answer
thermal dissociation
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Hydrogen chloride gas is prepared in the laboratory using conc. H2SO4 and NaCl. Answer the questions that follow based on this reaction.
(i) Give the balanced chemical equation for the reaction with suitable condition[s] if any.
(ii) Why is concentrated sulphuric acid used instead of conc. nitric acid.
(iii) How is the gas collected.
(iv) Name the drying agent not used for drying the gas.
Fill in the blanks:
Hydrogen chloride gas is not dried using _________ [conc.H₂SO₄, CaO].
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