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    CH-4 Worksheet 2

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    siya89308
    This document contains a worksheet with questions about carbon and its compounds. Some of the key topics covered include: 1) Homologous series of carbon compounds, functional groups in organic compounds such as carboxylic acids and alcohols, and isomers. 2) Soaps and detergents, and why soaps do not work as well in hard water. 3) Questions involving identifying and writing reactions of organic compounds based on molecular formulas and reaction information provided. 4) Drawing structural isomers, naming organic compound homologues and functional groups. 5) Questions involving writing chemical equations for reaction conversions between related organic compounds.

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    CH-4 Worksheet 2

    Uploaded by

    siya89308
    22 views2 pages
    This document contains a worksheet with questions about carbon and its compounds. Some of the key topics covered include: 1) Homologous series of carbon compounds, functional groups in organic compounds such as carboxylic acids and alcohols, and isomers. 2) Soaps and detergents, and why soaps do not work as well in hard water. 3) Questions involving identifying and writing reactions of organic compounds based on molecular formulas and reaction information provided. 4) Drawing structural isomers, naming organic compound homologues and functional groups. 5) Questions involving writing chemical equations for reaction conversions between related organic compounds.

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    Original Title

    CH-4 Worksheet 2 (3)

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    This document contains a worksheet with questions about carbon and its compounds. Some of the key topics covered include: 1) Homologous series of carbon compounds, functional groups in organic compounds such as carboxylic acids and alcohols, and isomers. 2) Soaps and detergents, and why soaps do not work as well in hard water. 3) Questions involving identifying and writing reactions of organic compounds based on molecular formulas and reaction information provided. 4) Drawing structural isomers, naming organic compound homologues and functional groups. 5) Questions involving writing chemical equations for reaction conversions between related organic compounds.

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    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    22 views2 pages

    CH-4 Worksheet 2

    Uploaded by

    siya89308
    This document contains a worksheet with questions about carbon and its compounds. Some of the key topics covered include: 1) Homologous series of carbon compounds, functional groups in organic compounds such as carboxylic acids and alcohols, and isomers. 2) Soaps and detergents, and why soaps do not work as well in hard water. 3) Questions involving identifying and writing reactions of organic compounds based on molecular formulas and reaction information provided. 4) Drawing structural isomers, naming organic compound homologues and functional groups. 5) Questions involving writing chemical equations for reaction conversions between related organic compounds.

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    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
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    of 2

    WORKSHEET - 2

    CARBON AND ITS COMPOUNDS

    1. What is a homologous series of carbon compounds? Write the general


    formula for alkynes. Name and draw the electron dot structure of the first
    homologue of the series.
    2. State the meaning of a functional group in an organic compound. Write the
    formula of the functional group present in carboxylic acids and alcohols.
    3. What are isomers? Write the structures of two compounds having molecular
    formula C₃H₆O and give their names.
    4. What are soaps? How are they chemically different from detergents? Why
    do soaps not work effectively in hard water?
    5. An organic compound ‘A’ is used as a preservative in pickles and has
    molecular formula C₂H₄O₂ . This compound reacts with ethanol to form a
    sweet smelling compound ‘B’
    (a) Determine the compound ‘A’
    (b) Write the chemical equations for its reactions with ethanol to form
    compound ‘B’
    (c) Write any two uses of compound ‘B’
    (d) Which gas is produced when ‘A’ reacts with washing soda
    (e) How can vinegar be obtained from compound ‘A’?

    6. (i) Draw two structural isomers of butane.


    (ii) Draw the structures of propanol and propanone.
    (iii) Name the third homologue of :
    (a) alcohols (b) aldehydes
    (iv) Name the following :
    (a)

    (b) CH₃CH₂CH = CH₂


    (v) Show the covalent bond formation in nitrogen molecule.
    WORKSHEET - 2
    CARBON AND ITS COMPOUNDS

    7. A neutral organic compound ‘X’ (molecular formula C₂H₆O) on reacting


    with acidified K₂Cr₂O₇ gives an organic compound ‘Y’ which is acidic in
    nature. ‘X’ reacts with ‘Y’ on warming in the presence of conc. H₂SO₄ to
    give a sweet smelling compound ‘Z’
    (i) Identify X , Y and Z
    (ii) Write the chemical equations for the reactions in the conversion of
    (a) X to Y and (b) X to Z .
    (iii) State the role of
    (a) acidified K₂Cr₂O₇ in the conversion of X to Y and
    (b) conc. H₂SO₄ in the reaction of X and Y .
    (iv) Name the reaction which occurs when Z reacts with an alkali.

    8. Carry out the following conversions, stating the condition(s) for


    each :
    (i) Ethanol ——> Ethene
    (ii) Ethene ——> Ethane
    (iii) Ethane ——> Chloroethane
    (iv) Ethanol ——> Ethanoic acid
    (v) Ethanoic acid ——> Ethyl ethanoate

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