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Which of the following gives effervescences of CO2 with NaHCO3 solution:
- a)HCOOH
- b)2,4,6-trinitrophenol
- c)Both (a) and (b)
- d)None of these.
Correct answer is option 'C'. Can you explain this answer?
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Which of the following gives effervescences of CO2 with NaHCO3 solutio...
**Answer:**
The correct answer is option 'C', which means both HCOOH and 2,4,6-trinitrophenol give effervescences of CO2 with NaHCO3 solution.
**Explanation:**
When NaHCO3 (sodium bicarbonate) is added to a solution containing a compound that can release CO2, effervescence occurs. Let's analyze each option to see if they can release CO2 when reacted with NaHCO3.
a) HCOOH (formic acid):
Formic acid, HCOOH, is a weak acid. When it reacts with NaHCO3, it undergoes a neutralization reaction, resulting in the formation of sodium formate (NaHCOO) and the release of carbon dioxide gas (CO2).
HCOOH + NaHCO3 → NaHCOO + CO2 + H2O
b) 2,4,6-trinitrophenol (picric acid):
2,4,6-trinitrophenol, also known as picric acid, is a strong acid. Similar to formic acid, it can undergo a neutralization reaction with NaHCO3, resulting in the formation of sodium picrate (NaC6H2(NO2)3O7) and the release of carbon dioxide gas (CO2).
C6H2(NO2)3OH + NaHCO3 → NaC6H2(NO2)3O7 + CO2 + H2O
Therefore, both HCOOH and 2,4,6-trinitrophenol can release CO2 when reacted with NaHCO3 solution. Hence, option 'C' is the correct answer.
The correct answer is option 'C', which means both HCOOH and 2,4,6-trinitrophenol give effervescences of CO2 with NaHCO3 solution.
**Explanation:**
When NaHCO3 (sodium bicarbonate) is added to a solution containing a compound that can release CO2, effervescence occurs. Let's analyze each option to see if they can release CO2 when reacted with NaHCO3.
a) HCOOH (formic acid):
Formic acid, HCOOH, is a weak acid. When it reacts with NaHCO3, it undergoes a neutralization reaction, resulting in the formation of sodium formate (NaHCOO) and the release of carbon dioxide gas (CO2).
HCOOH + NaHCO3 → NaHCOO + CO2 + H2O
b) 2,4,6-trinitrophenol (picric acid):
2,4,6-trinitrophenol, also known as picric acid, is a strong acid. Similar to formic acid, it can undergo a neutralization reaction with NaHCO3, resulting in the formation of sodium picrate (NaC6H2(NO2)3O7) and the release of carbon dioxide gas (CO2).
C6H2(NO2)3OH + NaHCO3 → NaC6H2(NO2)3O7 + CO2 + H2O
Therefore, both HCOOH and 2,4,6-trinitrophenol can release CO2 when reacted with NaHCO3 solution. Hence, option 'C' is the correct answer.
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