GIVE REASONS - HYDROCHLORIC ACID - HCl - ICSE

ICSE - GIVE REASONS - HYDROCHLORIC ACID - HCl

• GIVE REASONS

1. 1.     HCl gas is not collected over water.
   2.     In the laboratory preparation of HCl, temperature is maintained below 200⁰C.
   3.     HCl gas exposed to Ammonia gives white dense fumes.
   4.     Conc. HNO₃ is not used instead of Conc. Sulphuric acid in the preparation of HCl gas.
   5.     Hydrochloric acid is not prepared by dissolving HCl gas directly in water.
   6.     HCl gas cannot be dried using quick lime.
   7.     HCl in water conducts electricity but in Toluene does not.
   8.     HCl gas fumes in moist air but H₂S does not.
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