4 Quinn is studying the reduction of alkyl halides. He knows that alkyl halides can be reduced to alkanes. What is the reducing agent for converting iodomethane (CH3I) to methane? A Zn/HCl B H2/Ni C NaBH4 D LiAlH4
6 Zayn is studying amines. He learns that amines are derivatives of ammonia where one or more hydrogen atoms are replaced by organic groups. Which of the following is an amine? A Methylamine B Methanol C Acetaldehyde D Acetic acid
7 Ming is studying the combustion of alkanes. He knows that propane (C3H8) undergoes complete combustion. What is the balanced equation for the complete combustion of propane? A C3H8 + 5O2 → 3CO2 + 4H2O B C3H8 + 3O2 → 3CO2 + 4H2O C C3H8 + 4O2 → 3CO2 + 4H2O D C3H8 + 5O2 → 3CO + 4H2O
9 Julia is studying the dehydrogenation of alkynes. She knows that alkynes can be hydrogenated to alkanes. What is the product when ethyne (C2H2) is hydrogenated with excess hydrogen? A Ethene B Ethane C Methane D Propane
10 Ahmed is learning about organic compounds in his chemistry class. He understands that organic compounds contain carbon. Which of the following is an organic compound? A Carbon dioxide B Methane C Sodium chloride D Water
11 Vera is studying haloalkanes. She learns that haloalkanes are alkanes with halogen atoms. Which of the following is a haloalkane? A Chloromethane B Methanol C Ethanol D Acetic acid
13 Aisha is learning about organic compounds. She understands that carbon compounds are abundant in nature. Which of the following is a natural source of organic compounds? A Minerals B Petroleum C Metals D Salts
14 Tina is studying the combustion of alkanes. She knows that alkanes are used as fuels in vehicles. Which of the following is a major component of natural gas? A Propane B Butane C Methane D Octane
15 Xia is studying the functional group of amines. She learns that amines contain a nitrogen atom bonded to carbon groups. Which of the following is a primary amine? A Methylamine B Dimethylamine C Trimethylamine D Aniline
16 Chloe is learning about the dehydrogenation of alkenes. She knows that alkenes can be converted to alkanes by adding hydrogen. What is this reaction called? A Oxidation B Hydrogenation C Halogenation D Combustion
17 Xia is studying the combustion of alkanes. She knows that alkanes burn with a clean flame when complete combustion occurs. What color is the flame of complete combustion? A Blue B Yellow C Red D Green
18 Which type of hydrocarbons are least reactive? A Alkenes B Alkynes C Alkanes D Unsaturated hydrocarbons
19 Laura is studying the classification of organic compounds. She learns that compounds can be classified as open chain or closed chain. Which of the following is an open chain compound? A Cyclohexane B Butane C Benzene D Cyclopropane
20 Omar is learning about amines. He understands that amines are important in biology. Which amine is a component of amino acids? A Methylamine B Ethylamine C Aniline D All of the above
21 The reaction of ethene with hydrogen is called: A Halogenation B Hydrogenation C Oxidation D Substitution
22 Samir is learning about alcohols. He knows that alcohols contain a hydroxyl group. What is the general formula for alcohols? A ROH B RCOOH C RCHO D RCOR
24 Uma is studying the properties of alkanes. She knows that alkanes are non-polar and have low boiling points. Which alkane is a gas at room temperature? A Hexane B Octane C Methane D Decane
25 Which class of compounds contains only carbon and hydrogen? A Alcohols B Carboxylic acids C Hydrocarbons D Amines