AP POLYCET CHEMISTRY Multiple Choice Questions (MCQs)

AP POLYCET Chemistry - Multiple Choice Questions (MCQs)

61. Which of the following is an allotrope of carbon?

• A) Oxygen
• B) Graphite
• C) Nitrogen
• D) Hydrogen

Answer: B) Graphite

62. What is the molecular formula of methane?

• A) CH4
• B) C2H6
• C) C3H8
• D) C4H10

Answer: A) CH4

63. Which of the following is the functional group of alcohols?

• A) -OH
• B) -COOH
• C) -NH2
• D) -CHO

Answer: A) -OH

64. What type of bond is formed between two carbon atoms in a molecule of ethene (C2H4)?

• A) Single bond
• B) Double bond
• C) Triple bond
• D) Ionic bond

Answer: B) Double bond

65. Which of the following is an example of a saturated hydrocarbon?

• A) Ethylene
• B) Acetylene
• C) Methane
• D) Benzene

Answer: C) Methane

66. Which compound is formed when methane reacts with chlorine in the presence of UV light?

• A) Methanol
• B) Chloromethane
• C) Formaldehyde
• D) Acetone

Answer: B) Chloromethane

67. What is the functional group of carboxylic acids?

• A) -OH
• B) -COOH
• C) -NH2
• D) -CHO

Answer: B) -COOH

68. Which of the following is a property of carbon dioxide?

• A) It is a colorless gas
• B) It is soluble in water
• C) It supports combustion
• D) All of the above

Answer: D) All of the above

69. What is the common name of acetic acid?

• A) Vinegar
• B) Methanol
• C) Butanol
• D) Acetone

Answer: A) Vinegar

70. Which of the following compounds is formed when ethanol is oxidized?

• A) Acetone
• B) Acetic acid
• C) Butyric acid
• D) Methanol

Answer: B) Acetic acid

71. Which of the following compounds is used as a fuel and has the molecular formula C2H6?

• A) Methane
• B) Ethene
• C) Ethane
• D) Propane

Answer: C) Ethane

72. What is the main characteristic of an alkene?

• A) It contains at least one double bond between carbon atoms
• B) It contains only single bonds
• C) It is an aromatic compound
• D) It contains a triple bond

Answer: A) It contains at least one double bond between carbon atoms

73. Which of the following is a characteristic of unsaturated hydrocarbons?

• A) They only contain single bonds
• B) They contain one or more double or triple bonds
• C) They do not burn easily
• D) They are solid at room temperature

Answer: B) They contain one or more double or triple bonds

74. Which of the following is the formula for benzene?

• A) C6H12
• B) C6H6
• C) C2H6
• D) C4H8

Answer: B) C6H6

75. Which of the following compounds is an example of a ketone?

• A) Ethanol
• B) Acetone
• C) Methanol
• D) Butane

Answer: B) Acetone

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