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HCl -- question number 8
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Asked by bpradeksha | 12 Feb, 2019, 07:15: PM
Expert Answer
Q. With respect to the laboratory preparation of hydrochloric acid answer the following questions.[5M]
(i)Name the substance A and give its use.
(ii)Which method is used to collect hydrogen chloride gas?
(iii)Give the reaction which places in the round bottom flask.
(iv)Why is the temperature of the reaction mixture kept below 200 °C?
(v)How can hydrochloric acid be prepared from substance B?
Ans:
(i) A - Concentrated H2SO4
(ii) Upward displacement of air as HCl gas is heavier than air
(iii) 
(iv)because (a) on heating lots of fuel is wasted (b) a sticky mass of sodium sulphate is formed which destroys the glass apparatus.
(v)Substance B which is HCl gas on dissolving in water produces strong, monobasic hydrochloric acid.
Answered by Ramandeep | 13 Feb, 2019, 11:05: AM
Concept Videos
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Study of Compounds - Hydrogen Chloride
This video is about structure, preparation and properties of HCl acid -
Study of Compounds - Hydrogen Chloride
Study of Compounds - Hydrogen Chloride, Hydrochloric Acid
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