Chemistry

Q. What is the primary reason for the high compressibility of gases?
  • A. Large intermolecular spaces
  • B. Strong intermolecular forces
  • C. Low temperature
  • D. High pressure
Q. What is the primary reason for the high electronegativity of halogens? (2020)
  • A. Large atomic size
  • B. High ionization energy
  • C. Low electron affinity
  • D. High atomic mass
Q. What is the primary reason for the variable oxidation states of transition metals?
  • A. Presence of d-electrons
  • B. High atomic mass
  • C. Low ionization energy
  • D. High electronegativity
Q. What is the primary reason that gases can be compressed more than liquids or solids?
  • A. High density
  • B. Low density
  • C. Large intermolecular spaces
  • D. Strong intermolecular forces
Q. What is the primary use of boron in industry? (2019) 2019
  • A. Fertilizers
  • B. Glass production
  • C. Metallurgy
  • D. Pharmaceuticals
Q. What is the primary use of polyethylene?
  • A. Insulation
  • B. Packaging
  • C. Textiles
  • D. Adhesives
Q. What is the primary use of polystyrene?
  • A. Insulation
  • B. Packaging
  • C. Textiles
  • D. Adhesives
Q. What is the primary use of sulfuric acid (H2SO4)? (2022)
  • A. Fertilizer
  • B. Battery acid
  • C. Detergent
  • D. Food preservative
Q. What is the principal quantum number for the outermost electron in sodium (Na)? (2022) 2022
  • A. 1
  • B. 2
  • C. 3
  • D. 4
Q. What is the principal quantum number for the outermost electrons in sodium (Na)? (2023) 2023
  • A. 1
  • B. 2
  • C. 3
  • D. 4
Q. What is the process of a solid turning directly into a gas called? (2021)
  • A. Condensation
  • B. Sublimation
  • C. Evaporation
  • D. Deposition
Q. What is the process of forming a polymer from monomers called?
  • A. Polymerization
  • B. Condensation
  • C. Sublimation
  • D. Depolymerization
Q. What is the product of electrolysis of water?
  • A. Hydrogen and Oxygen
  • B. Hydrogen and Carbon
  • C. Oxygen and Nitrogen
  • D. Hydrogen and Chlorine
Q. What is the product of the complete combustion of propane?
  • A. CO2 and H2O
  • B. CO and H2O
  • C. C and H2
  • D. C2H4
Q. What is the product of the oxidation of 2-Propanol? (2022)
  • A. Acetone
  • B. Ethanol
  • C. Propanoic acid
  • D. Methanol
Q. What is the product of the oxidation of a primary alcohol? (2020) 2020
  • A. Aldehyde
  • B. Ketone
  • C. Carboxylic acid
  • D. Alkene
Q. What is the product of the oxidation of a primary alcohol? (2023) 2023
  • A. Aldehyde
  • B. Ketone
  • C. Carboxylic acid
  • D. Alkane
Q. What is the product of the oxidation of ethanol?
  • A. Acetic acid
  • B. Methanol
  • C. Butanoic acid
  • D. Propanoic acid
Q. What is the product of the oxidation of propan-2-ol?
  • A. Propanal
  • B. Acetone
  • C. Propanoic acid
  • D. Butan-2-one
Q. What is the product of the reaction between 1-bromobutane and sodium hydroxide in ethanol? (2021)
  • A. Butanol
  • B. Butyl bromide
  • C. Butyl ether
  • D. Butyric acid
Q. What is the product of the reaction between 1-bromopropane and sodium hydroxide in ethanol?
  • A. Propene
  • B. 1-Propanol
  • C. 2-Propanol
  • D. No reaction
Q. What is the product of the reaction between ammonia and ethyl bromide?
  • A. Ethylamine
  • B. Diethylamine
  • C. Triethylamine
  • D. Ammonium bromide
Q. What is the product of the reaction between an amine and an acid?
  • A. Amide
  • B. Salt
  • C. Ester
  • D. Alcohol
Q. What is the product of the reaction between benzaldehyde and phenylmagnesium bromide?
  • A. Benzyl alcohol
  • B. Benzophenone
  • C. Diphenylmethanol
  • D. Benzene
Q. What is the product of the reduction of Cr2O7^2- in acidic medium?
  • A. CrO4^2-
  • B. Cr^3+
  • C. CrO3
  • D. CrO2
Q. What is the rate constant of a first-order reaction if the half-life is 10 minutes? (2021)
  • A. 0.0693 min⁻¹
  • B. 0.1 min⁻¹
  • C. 0.693 min⁻¹
  • D. 0.5 min⁻¹
Q. What is the rate law expression for a reaction that is first order with respect to A and second order with respect to B? (2022)
  • A. Rate = k[A][B]^2
  • B. Rate = k[A]^2[B]
  • C. Rate = k[A]^2[B]^2
  • D. Rate = k[A][B]
Q. What is the rate law expression for a reaction that is second order with respect to reactant A? (2023)
  • A. Rate = k[A]
  • B. Rate = k[A]^2
  • C. Rate = k[A]^2[B]
  • D. Rate = k[A][B]
Q. What is the rate law for a reaction that is first order with respect to A and second order with respect to B? (2022) 2022
  • A. Rate = k[A][B]^2
  • B. Rate = k[A]^2[B]
  • C. Rate = k[A]^2[B]^2
  • D. Rate = k[A][B]
Q. What is the reduction potential of the half-reaction 2H⁺ + 2e⁻ → H₂?
  • A. 0.00 V
  • B. 0.34 V
  • C. 0.76 V
  • D. 1.23 V
Showing 301 to 330 of 559 (19 Pages)
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