12 Chemistry – Ether Test 2
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Which of the following is a symmetrical ether?
This is wrong answer.
Yes. You are Correct.
Diethyl ether has identical ethyl groups on both sides of oxygen.
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Mixed ethers contain:
Mixed ethers contain two different alkyl or aryl groups.
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An example of an unsymmetrical ether is:
Ethyl methyl ether has two different alkyl groups, making it unsymmetrical.
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The IUPAC name of CH₃-O-CH₂CH₃ is:
CH₃-O-CH₂CH₃ is named methoxyethane according to IUPAC rules.
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Common name of CH₃-O-CH₃ is:
CH₃-O-CH₃ is known as dimethyl ether in common naming.
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Which of the following is named as methoxybenzene in IUPAC system?
Anisole is the common name for methoxybenzene.
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The functional group in ethers is:
Ethers contain an oxygen atom connected to two carbon atoms (C–O–C).
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Hybridization of oxygen in ethers is:
Oxygen atom in ethers is sp³ hybridized.
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Bond angle in ethers is approximately:
The C–O–C bond angle in ethers is around 104.5° due to lone pair repulsion.
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Williamson synthesis involves reaction between:
It involves an alkyl halide and sodium alkoxide to form ether.
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Limitation of Williamson synthesis is:
Bulky alkyl halides undergo elimination instead of substitution.
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Dehydration of alcohols to form ethers requires:
It occurs in the presence of acid catalyst like H₂SO₄ and heat.
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Industrial preparation of diethyl ether uses:
Ethanol is dehydrated using concentrated H₂SO₄ to form diethyl ether.
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Ethers have lower boiling points than alcohols due to:
Ethers cannot form hydrogen bonds among themselves.
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Ethers are soluble in water due to:
Ethers form hydrogen bonds with water molecules.
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Which property makes ethers good solvents?
Ethers have low boiling points and are chemically inert.
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Ethers react with HI to form:
Ethers react with HI to give alkyl halides and alcohols.
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Cleavage of C–O bond in ethers is initiated by:
Acids like HI initiate the cleavage of C–O bond in ethers.
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Anisole undergoes electrophilic substitution at:
Anisole undergoes substitution at ortho and para positions.
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Friedel-Crafts reaction in anisole gives:
Anisole gives alkylated or acylated products at ortho and para positions.
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Cleavage of methyl ethers with HI gives:
Methyl ethers react with HI to give methanol and methyl iodide.
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Diethyl ether is used as:
It is used as an anesthetic and solvent due to its volatility.
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Anisole is chemically known as:
Anisole is the common name of methoxybenzene.
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Diethyl ether is stored in:
It is stored in tightly closed containers away from light to prevent peroxide formation.
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Anisole reacts with bromine to give:
Anisole undergoes bromination to give ortho and para bromoanisole.
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Diethyl ether is prepared by:
Ethanol undergoes acid-catalyzed dehydration to give diethyl ether.
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Anisole undergoes nitration to give:
Anisole gives ortho and para nitroanisole on nitration.
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Which ether is commonly used in laboratories as solvent?
Diethyl ether is a widely used solvent in organic labs.
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Anisole is more reactive than benzene in electrophilic substitution due to:
Methoxy group is electron-donating, activating the ring.
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Diethyl ether is volatile because:
It has a low boiling point and weak intermolecular forces.
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