Introduction To Organic Chemistry

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Quizzes Created: 2 | Total Attempts: 4,586
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  • 1/5 Questions

    Which fuel, on combustion, does not form a pollutant?

    • Petrol
    • Natural gas
    • Hydrogen
    • Diesel
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About This Quiz

Organic chemistry is the study of the structure, properties, composition, reactions, and preparation of carbon-containing compounds, which include not only hydrocarbons but also compounds with any number of other elements. Test out what you understood from your introductory course by answering the quiz below. All the best and keep practicing

Introduction To Organic Chemistry - Quiz

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  • 2. 

    Each homologous series has its ___________ _________, which gives rise to its unique chemical properties.

    Explanation
    Each homologous series has its functional group, which gives rise to its unique chemical properties. The functional group is a specific group of atoms or bonds within a molecule that determines its reactivity and behavior. Different functional groups have different arrangements of atoms and therefore different chemical properties. For example, the presence of a hydroxyl group (-OH) in an alcohol gives it the ability to form hydrogen bonds and exhibit properties such as solubility in water. Thus, the functional group plays a crucial role in defining the characteristics and behavior of a homologous series.

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  • 3. 

    The fractions obtained by fractional distillation of petroleum have different uses. Which fraction and use are correct?

    • Bitumen - fuel for lorries and buses

    • Kerosene - aircraft fuel

    • Petrol - making waxes

    • Lubricating oil - surfaces of roads

    Correct Answer
    A. Kerosene - aircraft fuel
    Explanation
    Kerosene is the correct fraction for aircraft fuel. Kerosene has a high energy content and a low freezing point, making it suitable for use as aviation fuel. It is commonly used in jet engines to power aircraft.

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  • 4. 

    Which fraction from the fractional distillation of petroleum has the lowest boiling point?

    • Diesel

    • Kerosene

    • Lubricating oil

    • Petrol

    Correct Answer
    A. Petrol
    Explanation
    Petrol has the lowest boiling point among the given fractions from the fractional distillation of petroleum. This is because petrol consists of lighter hydrocarbon molecules compared to the other fractions. These lighter molecules have weaker intermolecular forces, which results in a lower boiling point.

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  • 5. 

    The simplest alkane, with only one carbon atom, is called _______.

    Correct Answer
    methane, Methane
    Explanation
    Alkanes are hydrocarbons that contain only single bonds between carbon atoms. Methane (CH4) is the simplest alkane, consisting of one carbon atom bonded to four hydrogen atoms. It is a colorless, odorless gas that is the main component of natural gas. Methane is also a potent greenhouse gas, contributing to climate change.

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  • Jan 06, 2025
    Quiz Edited by
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  • Jun 26, 2009
    Quiz Created by
    Vincenttan
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