Practice test

Organic chemistry - Test Set 4

Review 20 exam-focused questions with detailed explanations, then start the interactive test when you are ready.

20 questions

Questions and explanations

  1. Question 1

    ___________does not contain a carbonyl group -
    1. Ketone
    2. Ethanol
    3. Carboxyl acid
    4. Aldehyde
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  2. Question 2

    Which of the following constitutes a homogeneous category?
    1. Ethine, propine and butaine
    2. Ethine, propine, and butane
    3. Ethane, Methane and Ethine
    4. Ethane, Methane and Propene
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  3. Question 3

    How many isomer in C6 H14?
    1. 6
    2. 3
    3. 4
    4. 5
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  4. Question 4

    COOH is present in which of the following functional groups?
    1. Alcohol
    2. Ketone
    3. Aldehyde
    4. Carboxylic acid
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  5. Question 5

    The prefix joining with hydrocarbons with 4 carbon atoms is-
    1. hept
    2. bute
    3. prop
    4. eth
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  6. Question 6

    The end of the hydrocarbon chain ending with ketone is the suffix
    1. All
    2. Al
    3. One
    4. Oik
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  7. Question 7

    Select one which is different from the IUPAC names given below.
    1. C3H5OH → Propanol → Propyl Alcohol
    2. CH3OH → Methanol → Methyl Alcohol
    3. C2H5OH → Ethanol → Ethyl Alcohol
    4. C4H9OH → Butanol → butyl alcohol
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  8. Question 8

    Which of the following is the correct match?
    1. Alkine: CnH2n–2, Alkyne: CnH2n, Alkane: CnH2n+2,
    2. Alkyne:CnH2n, Alkane: CnH2n+2. Alkine: CnH2n–2,
    3. Alkine: CnH2n, Alkane:CnH2n+2, Alkyne:CnH2n–2,
    4. Alkine:CnH2n, Alkyne: CnH2n+2, Alkane:CnH2n–2,
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  9. Question 9

    Alkines, unsaturated hydrocarbons, which have a triple bond between two carbon atoms, have a common formula, which is -
    1. CnH2n+2
    2. CnH2n–1
    3. CnH2n–2
    4. CnH2n
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  10. Question 10

    The common formula of alkane is _____________.
    1. CnH2n – 2
    2. CnH3n – 3
    3. CnH2n
    4. CnH2n + 2
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  11. Question 11

    The homogeneous series is a class of carbon compounds in which ________.
    1. Different number of carbon atoms are found, and different functional groups are found.
    2. The same number of carbon atoms are found, and similar functional groups are found.
    3. Different numbers of carbon atoms are found, but similar functional groups are found.
    4. The same number of carbon atoms are found, but different functional groups are found.
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  12. Question 12

    In the options given below, the wrong 'molecular formula - IUPAC' Name - Identify the common name option.
    1. C4H9 OH – Butanol - butyl alcohol
    2. C2H5OH – Ethanol - Ethyl alcohol
    3. C3H7OH – propanol - propyl alcohol
    4. C2H3OH – Methanol - Methyl alcohol
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  13. Question 13

    What is the molecular formula of butane?
    1. C2H6
    2. C3H8
    3. C4H10
    4. C5H12
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  14. Question 14

    Each element has a name and _________.
    1. a unique shape
    2. a unique colour
    3. a unique physical symbol
    4. a unique chemical symbol
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  15. Question 15

    Which of the following matches is correct?
    1. Pantene: CH3−CH2−CH−CH = CH2
    2. Butene: CH3−CH2−CH = CH2
    3. Ethene: CH2 = CH3
    4. Propene: CH3−CH2 = CH2
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  16. Question 16

    The chemical formula of C12H22O11 is -
    1. Glucose
    2. Galactose
    3. Lactose
    4. Fructose
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  17. Question 17

    The glucose molecules having a carbons?
    1. 6
    2. 7
    3. 5
    4. 4
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  18. Question 18

    What are the 4 major elements of amino acids?
    1. Iron, sulphur, silicon and potassium
    2. Helium, lithium, beryllium and boron
    3. Plutonium, Uranium, Prometheum and Neon
    4. Carbon, hydrogen, oxygen and nitrogen
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  19. Question 19

    Which of the following is not present in animals, whereas plants have it?
    1. cellulose
    2. proteins
    3. fat
    4. starch
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  20. Question 20

    Choose the wrong option for aldehyde.
    1. C2H5COH → Propanol → propaldehyde
    2. CH3COH → Ethanol → acetaldehyde
    3. CHCOH → Methanol → Formaldehyde
    4. C3H7COH → Butanol → butaldehyde
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