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    Ethanol & Ethanoic Acid

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    gixih98091

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    © All Rights Reserved
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    Ethanol & Ethanoic Acid

    Uploaded by

    gixih98091
    17 views12 pages

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    17 views12 pages

    Ethanol & Ethanoic Acid

    Uploaded by

    gixih98091

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 12

    A student sitting on the last bench can read the letters written on the

    blackboard but is not able to read the letters written in his text book. Which
    of the following statements is correct?
    (a) The near point of his eyes has receded away
    (b) The near point of his eyes has come closer to him

    “
    (c) The far point of his eyes has come closer to him
    (d) The far point of his eyes has receded away
    1.Write chemical equation formula and name of the compound which is the
    active ingredient of all alcoholic drinks. List its two uses. Write chemical
    equation and name of the product formed when this compound reacts with –

    (i)sodium metal
    (ii)hot concenterated sulphuric acid

    “
    • C2H5OH, Ethanol/Ethyl alcohol
    • Good solvent; used in medicines (Any other)
    2.Complete the following equations: (2017)
    (i) CH3COOC2H5 + NaOH →
    (ii) CH3COOH + NaOH →
    (iii) C2H5OH + CH3OOH →

    “
    3.Write the name and the structural formula of the compound formed when
    ethanol is heated at 443 K with excess of conc. H2SO4. State the role of
    conc. H2SO4 in this reaction. Write chemical equation for the reaction. What
    would happen if hydrogen is added to the product of this reaction in the
    presence of catalysts such as palladium or nickel?
    [2013,2015,2016,2017,2020]

    “
    4.Complete the following equations: [2011]

    “
    5.A carboxylic acid C2H4O2 reacts with an alcohol in the presence of H2SO4
    to form a compound 'X'. The alcohol on oxidation with alkaline KMnO4
    followed by acidification gives the same carboxylic acid, C2H4O2. Write the
    name and structure of: (i) Carboxylic acid, (ii) alcohol and (iii) the compound
    'X'. [2013]

    “
    6.An organic compound 'X' on heating with conc. H2SO4 forms a compound
    'Y' which on addition of one molecule of hydrogen in the presence of nickel
    forms a compound 'Z'. One molecule of compound 'Z' on combustion forms
    two molecules of CO2 and three molecules of H2O. Identify giving reasons
    the compounds 'X', 'Y' and 'Z'. Write the chemical equations for all the
    chemical reactions involved. [2013]

    “
    7.On dropping a small piece of sodium in a test tube containing carbon
    compound 'X' with molecular formula C2H6O, a brisk effervescence is
    observed and a gas 'Y' is produced. On bringing a burning splinter at the
    mouth of the test tube the gas evolved burns with a pop sound. Identify 'X'
    and 'Y'. Also write the chemical equation for the reaction. Write the name
    and structure of the product formed, when you heat 'X' with excess conc.

    “
    sulphuric acid. [2016]
    8.When ethanol reacts with ethanoic acid in the presence of conc. H2SO4, a
    substance with fruity smell is produced. Answer the following:
    (i) State the class of compounds to which the fruity smelling compounds
    belong. Write the chemical equation for the reaction and write the chemical
    name of the product formed.
    (ii) State the role of conc. H2SO4 in this reaction [2016]

    “
    9.Name the oxidising agent used for the conversion of ethanol to ethanoic
    acid. Distinguish between ethanol and ethanoic acid on the basis of (i) litmus
    test, (ii) reaction with sodium carbonate. [2011, 2013, 2020]

    “
    10.Write one chemical equation to represent each of the following types of
    reactions of organic substances: [2011, 2016]

    (i) Esterification
    (ii) Saponification
    (iii) Substitution

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