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The compound that does NOT liberate CO2, on treatment with aqueous sodium bicarbonate solution, is
- a)Benzoic acid
- b)Benzenesulphonic acid
- c)Salicylic acid
- d)Carbolic acid (Phenol)
Correct answer is option 'D'. Can you explain this answer?
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Verified Answer
The compound that does NOT liberate CO2, on treatment with aqueous sod...
pKa of PhOH (carbolic acid) is 9.98 and that of carbonic acid (H2CO3) is 6.63 thus phenol does not give
effervescence with HCO3- ion.
effervescence with HCO3- ion.
Most Upvoted Answer
The compound that does NOT liberate CO2, on treatment with aqueous sod...
To liberate CO2 gas we need to have acids stronger than NaHCO3 but phenol is weaker acid than NaHCO3 so it does not liberate CO2 gas.whereas first three given acids are stronger than NaHCO3. so they liberate CO2 gas
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Community Answer
The compound that does NOT liberate CO2, on treatment with aqueous sod...
Explanation:
When a compound is treated with aqueous sodium bicarbonate (NaHCO3), it undergoes a reaction known as an acid-base reaction. In this reaction, the compound reacts with the bicarbonate ion (HCO3-) to form carbon dioxide (CO2), water (H2O), and a salt.
For a compound to liberate CO2 on treatment with aqueous sodium bicarbonate solution, it must contain a carboxylic acid group (–COOH) or a carbonate group (–CO3H). These groups are acidic and readily react with the bicarbonate ion to form CO2.
Now let's analyze the given options:
a) Benzoic acid:
Benzoic acid contains a carboxylic acid group (–COOH) and will liberate CO2 when treated with aqueous sodium bicarbonate. This option is not the correct answer.
b) Benzenesulphonic acid:
Benzenesulphonic acid does not contain an acidic group that can react with sodium bicarbonate. It does not have a carboxylic acid or carbonate group. This option is a potential correct answer.
c) Salicylic acid:
Salicylic acid contains a carboxylic acid group (–COOH) and will liberate CO2 when treated with aqueous sodium bicarbonate. This option is not the correct answer.
d) Carbolic acid (Phenol):
Carbolic acid, also known as phenol, does not contain an acidic group that can react with sodium bicarbonate. It does not have a carboxylic acid or carbonate group. This option is the correct answer.
In conclusion, the compound that does NOT liberate CO2 on treatment with aqueous sodium bicarbonate solution is Carbolic acid (Phenol).
When a compound is treated with aqueous sodium bicarbonate (NaHCO3), it undergoes a reaction known as an acid-base reaction. In this reaction, the compound reacts with the bicarbonate ion (HCO3-) to form carbon dioxide (CO2), water (H2O), and a salt.
For a compound to liberate CO2 on treatment with aqueous sodium bicarbonate solution, it must contain a carboxylic acid group (–COOH) or a carbonate group (–CO3H). These groups are acidic and readily react with the bicarbonate ion to form CO2.
Now let's analyze the given options:
a) Benzoic acid:
Benzoic acid contains a carboxylic acid group (–COOH) and will liberate CO2 when treated with aqueous sodium bicarbonate. This option is not the correct answer.
b) Benzenesulphonic acid:
Benzenesulphonic acid does not contain an acidic group that can react with sodium bicarbonate. It does not have a carboxylic acid or carbonate group. This option is a potential correct answer.
c) Salicylic acid:
Salicylic acid contains a carboxylic acid group (–COOH) and will liberate CO2 when treated with aqueous sodium bicarbonate. This option is not the correct answer.
d) Carbolic acid (Phenol):
Carbolic acid, also known as phenol, does not contain an acidic group that can react with sodium bicarbonate. It does not have a carboxylic acid or carbonate group. This option is the correct answer.
In conclusion, the compound that does NOT liberate CO2 on treatment with aqueous sodium bicarbonate solution is Carbolic acid (Phenol).
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The compound that does NOT liberate CO2, on treatment with aqueous sodium bicarbonate solution, isa)Benzoic acidb)Benzenesulphonic acidc)Salicylic acidd)Carbolic acid (Phenol)Correct answer is option 'D'. Can you explain this answer?
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