Organic Chemistry

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Q. What is the major product of the reaction of propene with HBr?
  • A. 1-Bromopropane
  • B. 2-Bromopropane
  • C. Propyl bromide
  • D. Bromopropene
Q. What is the major product when 1-bromobutane reacts with sodium ethoxide in ethanol?
  • A. 1-ethoxybutane
  • B. 2-ethoxybutane
  • C. butane
  • D. butyl ethyl ether
Q. What is the major product when propene is treated with bromine?
  • A. 1-bromopropane
  • B. 2-bromopropane
  • C. Bromopropane
  • D. No reaction
Q. What is the major product when propene reacts with HBr?
  • A. 1-Bromopropane
  • B. 2-Bromopropane
  • C. Propyl bromide
  • D. Bromopropene
Q. What is the molecular formula of benzene?
  • A. C6H6
  • B. C6H12
  • C. C6H10
  • D. C6H8
Q. What is the molecular formula of ethylene?
  • A. C2H2
  • B. C2H4
  • C. C3H6
  • D. C4H8
Q. What is the molecular formula of fructose?
  • A. C6H12O6
  • B. C5H10O5
  • C. C6H10O5
  • D. C5H12O6
Q. What is the name of the reaction where benzene is converted to phenol?
  • A. Hydrogenation
  • B. Nitration
  • C. Sulfonation
  • D. Hydroxylation
Q. What is the pKa value of acetic acid?
  • A. 4.76
  • B. 7.00
  • C. 9.25
  • D. 2.00
Q. What is the pKb value of a strong base?
  • A. Less than 0
  • B. Equal to 0
  • C. Greater than 0
  • D. Equal to 14
Q. What is the pKb value of a weak base?
  • A. Less than 7
  • B. Equal to 7
  • C. Greater than 7
  • D. None of the above
Q. What is the primary active ingredient in most antacids?
  • A. Calcium carbonate
  • B. Magnesium hydroxide
  • C. Aluminum hydroxide
  • D. All of the above
Q. What is the primary bond type in polymers?
  • A. Ionic bonds
  • B. Covalent bonds
  • C. Metallic bonds
  • D. Hydrogen bonds
Q. What is the primary effect of a -CN group on a benzene ring?
  • A. +M effect
  • B. -M effect
  • C. +I effect
  • D. -I effect
Q. What is the primary effect of the -COOH group on a benzene ring?
  • A. +M effect
  • B. -M effect
  • C. +I effect
  • D. -I effect
Q. What is the primary effect of the -COOH group on aromatic compounds?
  • A. +M effect
  • B. -M effect
  • C. +I effect
  • D. -I effect
Q. What is the primary effect of the inductive effect in organic compounds?
  • A. Stabilization of positive charge
  • B. Stabilization of negative charge
  • C. Delocalization of electrons
  • D. Formation of hydrogen bonds
Q. What is the primary effect of the inductive effect in organic molecules?
  • A. Stabilization of positive charge
  • B. Stabilization of negative charge
  • C. Delocalization of electrons
  • D. Formation of hydrogen bonds
Q. What is the primary function of antacids?
  • A. To relieve pain
  • B. To reduce acidity
  • C. To increase appetite
  • D. To promote digestion
Q. What is the primary function of baking soda in cooking?
  • A. Thickening agent
  • B. Leavening agent
  • C. Flavor enhancer
  • D. Preservative
Q. What is the primary function of carbohydrates in living organisms?
  • A. Energy storage
  • B. Genetic information
  • C. Catalysis
  • D. Structural support
Q. What is the primary function of emulsifiers in food products?
  • A. Thickeners
  • B. Stabilizers
  • C. Flavor enhancers
  • D. Coloring agents
Q. What is the primary function of enzymes in biological systems?
  • A. Store energy
  • B. Speed up chemical reactions
  • C. Provide structural support
  • D. Transport molecules
Q. What is the primary function of enzymes?
  • A. Store energy
  • B. Speed up chemical reactions
  • C. Provide structure
  • D. Transport substances
Q. What is the primary function of fluoride in dental care products?
  • A. Whitening teeth
  • B. Preventing cavities
  • C. Freshening breath
  • D. Strengthening gums
Q. What is the primary function of fluoride in dental care?
  • A. Whitening teeth
  • B. Preventing cavities
  • C. Strengthening enamel
  • D. Reducing sensitivity
Q. What is the primary function of lipids in biological systems?
  • A. Energy storage
  • B. Catalysis
  • C. Genetic information
  • D. Structural support
Q. What is the primary function of preservatives in food?
  • A. Enhance flavor
  • B. Improve texture
  • C. Prevent spoilage
  • D. Increase nutritional value
Q. What is the primary function of soap in cleaning?
  • A. Disinfecting
  • B. Emulsifying
  • C. Oxidizing
  • D. Reducing
Q. What is the primary monomer used in the production of polyethylene?
  • A. Propylene
  • B. Ethylene
  • C. Styrene
  • D. Vinyl chloride
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