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A colourless and odourless gas is liberated when hydrochloric acid is added to a solution of washing soda. The name of the gas is:
- a)Nitrogen dioxide
- b)Carbon dioxide
- c)Sulphur trioxide
- d)Sulphur dioxide
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
A colourless and odourless gas is liberated when hydrochloric acid is ...
Washing soda is chemically sodium carbonate, which is a basic salt. When dilute HCl is added to washing soda, acid base neutralisation reaction takes place and sodium chloride is formed along with water and carbon dioxide. Following is the chemical equation for the reaction
Na2CO3 + 2HCl → 2NaCl + H2O + CO2
Hence, the correct answer is (b) carbon dioxide.
Most Upvoted Answer
A colourless and odourless gas is liberated when hydrochloric acid is ...
Explanation:
When hydrochloric acid is added to a solution of washing soda (sodium carbonate), a chemical reaction takes place. The reaction is as follows:
Na2CO3 + 2HCl → 2NaCl + H2O + CO2
In this reaction, hydrochloric acid reacts with sodium carbonate to produce sodium chloride, water, and carbon dioxide gas. Carbon dioxide is a colourless and odourless gas that is liberated during the reaction. Therefore, the correct answer is option B.
Why are the other options incorrect?
a) Nitrogen dioxide: Nitrogen dioxide is a reddish-brown gas that is produced from the reaction of nitrogen and oxygen. This gas is not produced when hydrochloric acid is added to a solution of washing soda.
c) Sulphur trioxide: Sulphur trioxide is a white solid that can be produced by the reaction of sulphur dioxide and oxygen. This gas is not produced when hydrochloric acid is added to a solution of washing soda.
d) Sulphur dioxide: Sulphur dioxide is a colourless gas that is produced by the burning of sulphur or the reaction of sulphuric acid and metal sulfites. This gas is not produced when hydrochloric acid is added to a solution of washing soda.
Therefore, the correct answer is option B - Carbon dioxide.
When hydrochloric acid is added to a solution of washing soda (sodium carbonate), a chemical reaction takes place. The reaction is as follows:
Na2CO3 + 2HCl → 2NaCl + H2O + CO2
In this reaction, hydrochloric acid reacts with sodium carbonate to produce sodium chloride, water, and carbon dioxide gas. Carbon dioxide is a colourless and odourless gas that is liberated during the reaction. Therefore, the correct answer is option B.
Why are the other options incorrect?
a) Nitrogen dioxide: Nitrogen dioxide is a reddish-brown gas that is produced from the reaction of nitrogen and oxygen. This gas is not produced when hydrochloric acid is added to a solution of washing soda.
c) Sulphur trioxide: Sulphur trioxide is a white solid that can be produced by the reaction of sulphur dioxide and oxygen. This gas is not produced when hydrochloric acid is added to a solution of washing soda.
d) Sulphur dioxide: Sulphur dioxide is a colourless gas that is produced by the burning of sulphur or the reaction of sulphuric acid and metal sulfites. This gas is not produced when hydrochloric acid is added to a solution of washing soda.
Therefore, the correct answer is option B - Carbon dioxide.
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Community Answer
A colourless and odourless gas is liberated when hydrochloric acid is ...
2HCl + Na2Co3 === 2 NaCl +H2O + Co2( carbon dioxide) so , correct option is B: carbon dioxide.
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A colourless and odourless gas is liberated when hydrochloric acid is added to a solution of washing soda. The name of the gas is:a)Nitrogen dioxideb)Carbon dioxidec)Sulphur trioxided)Sulphur dioxideCorrect answer is option 'B'. Can you explain this answer?
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