Regents Chemistry Test Preparation Practice

    Organic Compounds

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    Base your answers to questions 11 on the information below and on your knowledge of chemistry.

    The electrical conductivity of three aqueous solutions was tested at room temperature. A 0.1 M HCl(aq) solution conducted, but a 6.0 M HCl(aq) solution was a better conductor. A 0.1 M C6H12O6(aq) solution was also tested. During this laboratory activity, appropriate safety equipment was used and safety procedures were followed.

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    Base your answers to questions 12 on the information below and on your knowledge of chemistry.

    The solvent 2-chloropropane can be made when chemists react propene with hydrogen chloride, as shown in the equation below.

    organic-compounds fig: chem82019-exam_g12.png

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    Base your answers to questions 13 on the information below and on your knowledge of chemistry.

    Ethyl ethanoate is used as a solvent for varnishes and in the manufacture of artifi cial leather. The formula below represents a molecule of ethyl ethanoate.

    organic-compounds fig: chem62019-exam_g16.png

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    Base your answers to questions 14 on the information below and on your knowledge of chemistry.

    The equation below represents an industrial preparation of diethyl ether.

    organic-compounds fig: chem82018-exam_g11.png

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    Base your answers to questions 15 on the information below and on your knowledge of chemistry.

    Diethyl ether is used as a laboratory and industrial solvent. The boiling point of diethyl ether at standard pressure is 34.6°C. The equation below represents a reaction that produces diethyl ether.

    organic-compounds fig: chem82017-exam_g21.png

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