Practice test

Organic chemistry - Test Set 3

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

    The ester has a ______________ odor.
    1. pungent
    2. chemical
    3. fruit like
    4. Saine like
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  2. Question 2

    Which of the following is used to make perfumes as well as flavoring agents?
    1. ethanoic acid
    2. methanol
    3. ester
    4. ethanol
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  3. Question 3

    Dead organs are usually kept in Formalin. Formalin One:
    1. Aqueous is formaldehyde.
    2. Aqueous is ferrous-sulphate.
    3. Aqueous is formic acid.
    4. Aqueous is ferric alum.
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  4. Question 4

    A class of compounds that are used as fragrances___________.
    1. amino acid
    2. aromatic mixture
    3. ester
    4. bio-acid
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  5. Question 5

    ___________is used to make perfumes. It is also used as a delicious spice.
    1. ethane
    2. benzene
    3. propane
    4. ester
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  6. Question 6

    When phenolphthalein is added to vinegar, the solution becomes ____________.
    1. pink
    2. blue
    3. red
    4. colourless
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  7. Question 7

    The addition of which of the following adds fizz to soft drinks?
    1. Carbonic acid
    2. Sulphuric acid
    3. Acetic acid
    4. Citric acid
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  8. Question 8

    Glucose has _________ carbon molecules.
    1. 10
    2. 6
    3. 5
    4. 8
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  9. Question 9

    Table granulated sugar is known as ______________.
    1. Sucrose
    2. Dextrose
    3. Glucose
    4. Fructose
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  10. Question 10

    C12H22O11______________ also known as-
    1. sand
    2. sugar
    3. salt
    4. clay
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  11. Question 11

    Which organic compounds have suffix 'al'?
    1. Aldehydes
    2. Alkalenes
    3. Alkynes
    4. Alcohols
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  12. Question 12

    Which of the following alkines is the first member of the homogeneous series?
    1. propine
    2. ethyne
    3. methane
    4. ethane
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  13. Question 13

    Which of the following options represents the correct descending order of hydrogen atoms?
    1. alkine, alkyne, alkane
    2. alkyl, alkine, alkyne
    3. alkane, alkyne, alkine
    4. alkyne, alkine, alkane
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  14. Question 14

    Choose the wrong option for aldehyde -
    1. C3H7COH → butanol → butaldehyde
    2. HCOH →methanol → formaldehyde
    3. C2H5COH →Propenol →propaldehyde
    4. CH2COH → ethanol → acetaldehyde
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  15. Question 15

    What is the IUPAC name of the compound CH3 CH2 CH3?
    1. propane
    2. butane
    3. methane
    4. pentane
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  16. Question 16

    A series of organic compounds that have the same functional group with difference of–CH2 is called.. .
    1. Fermentation
    2. Homgenegous Series
    3. Isomeric
    4. Refined Spirit
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  17. Question 17

    What is the molecular formula of chloroform?
    1. CCl4
    2. CH4
    3. CHCl3
    4. C2H6
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  18. Question 18

    Which of the following compounds has double bond?
    1. propine
    2. propanol
    3. propane
    4. propene
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  19. Question 19

    Arrange the following compounds in increasing order according to the length of their carbon bond:
    Ethine, Ethyne, Ethane,
    1. Ethyne, Ethane, Ethane
    2. Ethane, Ethyne, Ethine
    3. Ethane, Ethine, Ethyne
    4. Ethine, Ethyne, Ethane
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  20. Question 20

    Unsaturated hydrocarbons containing one or more double-bonds are called ______________?
    1. alkene
    2. alkine
    3. alkyne
    4. alkali
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