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प्रश्न
Write a balanced chemical equation for the action of hydrochloric acid on sodium bicarbonate.
उत्तर
\[\ce{NaHCO3_{(s)} + HCl_{(l)} -> NaCl_{(aq)} + H2O_{(l)} + CO2_{(g)}}\]
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संबंधित प्रश्न
Certain blank spaces are left in the following table and these are labelled as A, B, C, D
and E. Identify each of them
Lab preparation of | Reactants used | Products formed | Drying Agent | Method of collection |
|
1 | HCl gas | NaCl + H2SO4 | ![]() |
conc. H2SO4 | ![]() |
2 | NH3 gas |
|
Mg(OH)2 NH3 |
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Identify the gas evolved and give the chemical test in the following cases
Dilute hydrochloric acid reacts with iron (II) sulphide.
Give the balanced equation for the laboratory preparation of hydrogen chloride gas reaction.
Explain why a solution of hydrogen chloride in water turns blue litmus red and conducts electricity, while a solution of the same gas in toluene:
- has no effect on litmus, and
- does not conduct electricity.
Explain why dry hydrogen chloride gas does not affect a dry strip of blue litmus paper but it turns red in the presence of a drop of water.
Write the main difference in hydrogen chloride gas and hydrochloric acid.
The given set up in the figure is for the preparation of an acid.
- Name the acid prepared by this method.
- Name the reactants used.
- Why an empty flask is used?
- What is the drying agent used? Why is this drying agent chosen?
- What is the role of the inverted funnel in the arrangement?
Explain, why (or give reasons for)
In the preparation chloride from sodium chloride, the gas can be obtained below 200°C or above. But the lower temperature is preferred.
Mention the reaction condition and give balanced equation to obtain: Cl2 gas from HCI acid.
Choose the correct answer from the options given below:
Dilute hydrochloric acid solution cannot be concentrated by boiling beyond
Complete and balance the equations:
KMnO4 + HCI → _______+ _______ + _______ + ______ + 8H2O
Explain, why the following statement is not correct:
Lead chloride can be prepared by adding dilute HCI to lead sulphate solution.
Write balanced equation for the reaction between dilute hydrochloric acid and sodium sulphite.
What property of hydrogen chloride is demonstrated when it is collected by downward delivery (upward displacement) ?
State the observation for action of dilute hydrochloiric acid or iron (II) sulphate.
Answer the following question related to the laboratory preparation of the hydrogen chloride gas:
State the temperature required in the preparation.
Answer the following question related to the laboratory preparation of the hydrogen chloride gas:
Write the chemical equation.
Complete and balance the following reaction, state whether dilute or conc. acid is used.
\[\ce{NH4OH + HCl ->}\]