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What is the primary purpose of solvent extraction in organic chemistry?
What is the primary purpose of solvent extraction in organic chemistry?
- To isolate dissolved compounds from a solution (correct)
- To synthesize organic compounds
- To separate a mixture of immiscible solvents
- To purify inorganic compounds
What is the molecular formula of 4-hydroxybenzaldehyde?
What is the molecular formula of 4-hydroxybenzaldehyde?
- C8H7O3
- C5H4O
- C7H6O2 (correct)
- C6H5O2
What is a characteristic of immiscible solvents?
What is a characteristic of immiscible solvents?
- They are insoluble in each other (correct)
- They are always flammable
- They are highly toxic
- They have a high boiling point
What is an important consideration when choosing a solvent for extraction?
What is an important consideration when choosing a solvent for extraction?
What is the physical appearance of sodium chloride?
What is the physical appearance of sodium chloride?
What is a property of diethyl ether?
What is a property of diethyl ether?
What is the first step in the solvent extraction process?
What is the first step in the solvent extraction process?
Why is the stopper removed from the separatory funnel?
Why is the stopper removed from the separatory funnel?
Why is diethyl ether commonly used in extraction despite being flammable?
Why is diethyl ether commonly used in extraction despite being flammable?
What is a benefit of using solvent extraction in organic chemistry laboratories?
What is a benefit of using solvent extraction in organic chemistry laboratories?
What is the purpose of shaking the mixture gently for 15-20 minutes?
What is the purpose of shaking the mixture gently for 15-20 minutes?
What is a desirable property of a solvent for extraction?
What is a desirable property of a solvent for extraction?
What happens when 4-hydroxybenzaldehyde is heated?
What happens when 4-hydroxybenzaldehyde is heated?
What is the purpose of drying the ethereal layer?
What is the purpose of drying the ethereal layer?
What is the purpose of adding a small amount of NaCl to the water layer in solvent extraction?
What is the purpose of adding a small amount of NaCl to the water layer in solvent extraction?
What is the partition coefficient in solvent extraction?
What is the partition coefficient in solvent extraction?
What is the result of the 'salting out' process in solvent extraction?
What is the result of the 'salting out' process in solvent extraction?
What is the typical composition of the two solvents in solvent extraction?
What is the typical composition of the two solvents in solvent extraction?
Why is diethyl ether used extensively as an extracting solvent?
Why is diethyl ether used extensively as an extracting solvent?
What is the purpose of solvent extraction?
What is the purpose of solvent extraction?
What is the 'salting out' process used for in solvent extraction?
What is the 'salting out' process used for in solvent extraction?
What is the molar mass of sodium chloride?
What is the molar mass of sodium chloride?
What is the primary characteristic of 4-hydroxybenzaldehyde that allows it to be separated from sodium chloride?
What is the primary characteristic of 4-hydroxybenzaldehyde that allows it to be separated from sodium chloride?
What is the purpose of leaving the mixture for 5-10 minutes in the solvent extraction process?
What is the purpose of leaving the mixture for 5-10 minutes in the solvent extraction process?
What is the result of shaking the mixture gently for 15-20 minutes in the solvent extraction process?
What is the result of shaking the mixture gently for 15-20 minutes in the solvent extraction process?
What is the physical appearance of 4-hydroxybenzaldehyde?
What is the physical appearance of 4-hydroxybenzaldehyde?
Why is it important to use a separatory funnel in the solvent extraction process?
Why is it important to use a separatory funnel in the solvent extraction process?
What is the molecular formula of sodium chloride?
What is the molecular formula of sodium chloride?
What is the purpose of adding 20ml of distilled water to the mixture in the solvent extraction process?
What is the purpose of adding 20ml of distilled water to the mixture in the solvent extraction process?
What is the physical state of 4-hydroxybenzaldehyde when it is heated?
What is the physical state of 4-hydroxybenzaldehyde when it is heated?
What is the primary advantage of using ether in the solvent extraction process?
What is the primary advantage of using ether in the solvent extraction process?
4-hydroxybenzaldehyde is a colorless crystal.
4-hydroxybenzaldehyde is a colorless crystal.
Sodium chloride is slightly soluble in water.
Sodium chloride is slightly soluble in water.
The mixture is shaken gently for 15-20 minutes to ensure complete separation of the two layers.
The mixture is shaken gently for 15-20 minutes to ensure complete separation of the two layers.
4-hydroxybenzaldehyde is soluble in water.
4-hydroxybenzaldehyde is soluble in water.
The molar mass of 4-hydroxybenzaldehyde is 58.44 g/mol.
The molar mass of 4-hydroxybenzaldehyde is 58.44 g/mol.
20ml of distilled water is added to the mixture to facilitate the separation of the two layers.
20ml of distilled water is added to the mixture to facilitate the separation of the two layers.
The ethereal layer is not dried after separation.
The ethereal layer is not dried after separation.
Sodium chloride is an ionic compound.
Sodium chloride is an ionic compound.
The separatory funnel is used to mix the two solvents.
The separatory funnel is used to mix the two solvents.
4-hydroxybenzaldehyde sublimes when heated.
4-hydroxybenzaldehyde sublimes when heated.
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