Question

lSugandha prepares HCl gas in her school laboratory using certain chemicals. Sheputs both dry and wet blue litmus papers in contact with the gas.(i) Name the reagents used by Sugandha to prepare HCl gas.(ii) State the colour changes observed with the dry and wet blue litmus paper.(iii) Show the formation of ions when HCl gas combines mith water.

Answer 1

(i)  Sugandha used Solid sodium chloride and liquid concentrated sulphuric acid to produce HCl gas. 

(ii)State the colour changes observed with the dry and wet blue litmus paper Dry litmus — no change.

(iii) Show the formation of ions when HCl gas combines with water.

Zn + H2SO4 → ZnSO4 + H2. Zn0 + H2+2 S+6O-24 → Zn+2S+6O-24 + H02.

HCI + H2O —> H3O  +  Cl-  (Hydronium) (Chloride)

Hence the answer

Answer 2

Explanation:Hey mate, here you go.

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