Part XI Chemistry of Carbon Compounds

Which of the following statements concerning chloroform is INCORRECT?

• A. It is a saturated compound.

• B. It is a haloalkane.

• C. Its systematic name is tetrachloromethane.

• D. It is used as solvent.

The diagram shows a set-up used for preparing ethene.

Which of the following is the correct combination of X and Y?

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Which of the following compounds does NOT exhibit cis-trans isomerism?

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Consider the conversion shown in the diagram.

Which of the following combinations of reagents can be used for the conversion?

• A. HBr and excess NaOH(aq)

• B. HBr and NaBH₄(aq)

• C. Br₂ and excess NaOH(aq)

• D. Br₂ and excess Cr₂O₇^2–(aq)/H⁺(aq)

Which of the following reagents and conditions can be used to distinguish between compounds P and Q?

• A. KOH(aq), heat

• B. Cl₂, UV light

• C. CH₃CH₂OH, conc. H₂SO₄, heat

• D. Cr₂O₇^2–(aq)/H⁺(aq), heat

Consider the two compounds R and S.

What relationship do R and S have?

• A. Identical compound

• B. Enantiomers

• C. Position isomers

• D. Cis-trans isomers

Consider the organic synthesis shown in the diagram.

What are the types of reactions for steps 1 and 2?

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Consider the two compounds U and V.

Which of the following statements concerning U and V is INCORRECT?

• A. They are stereoisomers.

• B. They have different chemical properties.

• C. They have the same boiling point.

• D. They have the same solubility in water.

Which of the following reactions can produce ethanoic acid?

• A. Alkaline hydrolysis of ethanamide

• B. Alkaline hydrolysis of methyl ethanoate

• C. Acid hydrolysis of ethyl propanoate

• D. Oxidation of ethanal

Consider the synthetic route shown in the diagram.

Which of the following is the correct combination of the reagents and conditions used?

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