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    Qualitative Analysis of Organic Compounds MCQ - Practice Questions with Answers

    Edited By admin | Updated on Sep 25, 2023 25:24 PM | #NEET

    Quick Facts

    • 4 Questions around this concept.

    Concepts Covered - 1

    Test for Hydrogen and Carbon

    Carbon and hydrogen are detected by heating the compound with copper(II) oxide. Carbon present in the compound is oxidised to carbon dioxide (tested with lime-water, which develops turbidity) and hydrogen to water (tested with anhydrous copper sulphate, which turns blue).

    \\\begin{array}{l}{\mathrm{C}+2 \mathrm{CuO} \stackrel{\Delta}{\longrightarrow} 2 \mathrm{Cu}+\mathrm{CO}_{2}} \\\\ {2 \mathrm{H}+\mathrm{CuO} \stackrel{\Delta}{\longrightarrow} \mathrm{Cu}+\mathrm{H}_{2} \mathrm{O}} \\\\ {\mathrm{CO}_{2}+\mathrm{Ca}(\mathrm{OH})_{2} \longrightarrow \mathrm{CaCO}_{3} \downarrow+\mathrm{H}_{2} \mathrm{O}} \\\\ {5 \mathrm{H}_{2} \mathrm{O}+\mathrm{CuSO}_{4} \longrightarrow \mathrm{CuSO}_{4} \cdot 5 \mathrm{H}_{2} \mathrm{O}}\end{array}
                      White                       Blue

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    Test for Hydrogen and Carbon

    Study other Related Concepts

    Qualitative Analysis of Organic Compounds Current Topic

    Organic Compounds - Classification Of Organic Compounds
    Purification of Organic Compounds
    Functional Groups
    Qualitative Analysis of Organic Compounds
    Homologous Series
    Lassaigne’s Test - Test for Nitrogen, Sulphur, Halogens
    IUPAC Nomenclature of Organic Chemistry
    Duma's Method
    Isomerism
    Kjeldahl's Method

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    Reference Books

    Test for Hydrogen and Carbon

    Chemistry Part II Textbook for Class XI

    Page No. : 362

    Line : 12

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