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प्रश्न
- What must be added to sodium chloride to prepare hydrogen chloride?
- Write the equation for the reaction which takes place in question (a).
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उत्तर
- Sulphuric acid must be added to sodium chloride to prepare hydrogen chloride.
-
\[\ce{\underset{Sodium Chloride}{NaCl} + \underset{Sulphuric acid(Conc{.})}{H2SO4} ->[\lt 200^\circ C] \underset{Sodium hydrogen sulphate}{NaHSO4} + \underset{Hydrogen chloride gas}{HCl}}\]
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संबंधित प्रश्न
Complete the following by selecting the correct option from the choices given:
The metal which does not react with water or dilute H2SO4 but reacts with concentrated H2SO4 is _________. (Al/Cu/Zn/Fe)
State your observations when Dilute Hydrochloric acid is added to Copper carbonate
State your observations when Dilute Hydrochloric acid is added to Sodium thiosulphate.
For the preparation of hydrochloric acid in the laboratory:
What arrangement is done to dissolve hydrogen chloride gas in water?
Explain why anhydrous HCl is a poor conductor while aqueous HCl is an excellent conductor.
Write balanced equation for the following reaction:
Copper oxide and dilute hydrochloric acid.
How will you distinguish between the two black samples, CuO and MnO2 with a chemical test?
Give a chemical test to distinguish between the following pair of compounds:
Hydrogen chloride gas and hydrogen sulphide gas
Identify the salts P and Q from the observation given below:
When dilute HCl is added to a salt Q, a brisk effervescence is produced and the gas turns lime water milky. When NH4OH soltion is added to the above mixture (after adding dilute HCl), it produces a white precipitate which is soluble in excess NH4OH solution.
Write observation:
Lead nitrate solution is mixed with dilute hydrochloric acid and heated.
