alcohols

Cards (47)

  • What are alcohols classified as in organic chemistry?
    Homologous series of organic compounds
  • How do alcohols differ from alkanes?
    Alcohols have an -OH group instead of hydrogen
  • What is the naming convention for alcohols?
    Replace the final 'e' with 'ol'
  • What are the first four alcohols in the homologous series?
    Methanol, ethanol, propanol, butanol
  • What is the general formula for alcohols?
    CnH2n+1OHC_nH_{2n+1}OH
  • What does it mean for alcohols to be soluble?
    They can dissolve in water to form a solution
  • What is the pH of alcohol solutions?
    Neutral pH
  • What happens when alcohols are oxidized?
    They form carboxylic acids
  • How do you write the combustion equation for ethanol?
    C₂H₅OH + O₂CO₂ + H₂O
  • What does flammability mean for alcohols?
    They can undergo complete combustion in air
  • Why are alcohols used as fuels?
    They release energy when burned
  • What is one common use of alcohols in industry?
    As solvents
  • Why are alcohols preferred over water as solvents?
    They can dissolve substances that water can't
  • What types of compounds can alcohols dissolve?
    Hydrocarbons and lipid compounds
  • What is the functional group of carboxylic acids?
    -COOH
  • How does the size of alcohol molecules affect their properties?
    Properties change as molecules get bigger
  • What is the result of oxidizing ethanol?
    Formation of acetic acid
  • What is the significance of the -OH group in alcohols?
    It defines their chemical properties
  • What is the balanced equation for the combustion of butanol?
    C₄H₉OH + O₂CO₂ + H₂O
  • How do the properties of the first four alcohols compare?
    They have similar properties despite size differences
  • What is the primary characteristic of alcohols in terms of combustion?
    They undergo complete combustion
  • What is the role of oxygen in the oxidation of alcohols?
    It converts alcohols into carboxylic acids
  • How can you demonstrate the flammability of alcohols in a lab setting?
    By burning ethanol in a spirit burner
  • What is the relationship between alcohols and their combustion products?
    Alcohols produce CO₂ and H₂O when burned
  • What is the effect of alcohols on pH when dissolved in water?
    They create a neutral solution
  • What is the significance of the -OH group in alcohols?
    It makes them polar and soluble in water
  • How do alcohols compare to hydrocarbons in terms of solubility?
    Alcohols are more soluble than hydrocarbons
  • What is a common characteristic of the first four alcohols?
    They are all flammable
  • What happens to the properties of alcohols as the chain length increases?
    They become less soluble and more viscous
  • How would you describe the combustion of alcohols in terms of energy release?
    It releases a significant amount of energy
  • How does the structure of alcohols influence their reactivity?
    The -OH group increases their reactivity
  • What is the functional group of alcohols?
    -OH
  • What is the primary use of alcohols as solvents?
    To dissolve substances that water cannot
  • How do alcohols behave in terms of pH when mixed with water?
    They create a neutral pH solution
  • What is the result of oxidizing an alcohol like ethanol?
    It forms acetic acid
  • What is the significance of the combustion of alcohols in practical applications?
    It provides energy for heating and cooking
  • How do the properties of alcohols affect their industrial applications?
    They are versatile solvents and fuels
  • What is the primary characteristic of alcohols in terms of their molecular structure?
    They contain an -OH functional group
  • How does the presence of the -OH group affect the properties of alcohols?
    It makes them polar and soluble in water
  • What is the relationship between alcohols and their combustion products?
    Alcohols produce CO₂ and H₂O when burned