Chapter 5 Multiple Choice Questions

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. Which of the following statements about alcohols is incorrect?

Tertiary alcohols have lower boiling points than primary alcohols with an equivalent molecular weight. correct incorrect

Alcohols undergo nucleophilic substitution. correct incorrect

Tertiary alcohols undergo dehydration more readily than primary alcohols. correct incorrect

Tertiary alcohols are metabolised in the body to ketones correct incorrect

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. Which of the following alcohols would be oxidised to propan-2-one?

ethanol correct incorrect

propan-2-ol correct incorrect

2-methylpropan-2-ol correct incorrect

butan-1-ol correct incorrect

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. Which of the following statements about glycerol is incorrect?

It is metabolised to oxalic acid. correct incorrect

It is hygroscopic. correct incorrect

It can depress the freezing point of water. correct incorrect

It is a good solvent for polar covalent molecules. correct incorrect

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. Phenols can act as antioxidant because

they are acidic. correct incorrect

they undergo electrophilic substitution. correct incorrect

they are free radical scavengers. correct incorrect

they are easily oxidised. correct incorrect

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. Which of the following statements about ethers is incorrect?

Ethers are flammable. correct incorrect

Ethers form peroxides by free radical oxidation. correct incorrect

Ethers are widely used as extraction solvents. correct incorrect

An ether oxygen can only be found within an acyclic carbon chain. correct incorrect

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. Which of the following statements about ethylene oxide is incorrect?

It is a gas. correct incorrect

It is an acyclic ether. correct incorrect

It is highly toxic. correct incorrect

It is highly reactive. correct incorrect

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. Which of the following statements about the detoxification of haloalkanes is incorrect?

The normal detoxification process involves reaction with glutathione. correct incorrect

This detoxification process fails for aryl halides. correct incorrect

Haloalkanes react with glutathione in preference to other cell constituents. correct incorrect

Glutathione is a pentapeptide. correct incorrect

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. Which of the following is a primary aromatic amine?

Aniline correct incorrect

Anisole correct incorrect

Anthracene correct incorrect

Adrenaline correct incorrect

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. Which of the following statements about amines is incorrect?

They react with acids to form salts. correct incorrect

Aliphatic amines are more basic than aromatic amines. correct incorrect

Primary amines are more basic than tertiary amines. correct incorrect

The biological oxidation of amines is usually carried out by monoamine oxidases. correct incorrect

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. Which of the following statements about quaternary ammonium compounds is incorrect?

They are neutral crystalline solids. correct incorrect

They are insoluble in water. correct incorrect

They are insoluble in lipids. correct incorrect

They are ionic molecules. correct incorrect