Alcohols

Butanol is a member of the homologous series alcohols.

which one of the following is not a formula of butanol?

• C₄H₁₀O

• C₄H₁₀OH

• C₄H₉OH

• CH₃CH₂CH₂CH₂OH

Which of the following reactions do not involve the oxidation of ethanol?

• production of ethanol from fermentation of glucose

• Heating ethanol with Potassium (vi) dichromate in dilute sulphuric acid

• The reaction of ethanol with Oxygen in the air

• formation of carbon dioxide and water from the complete combustion of ethanol

when ethanol is heated with potassium dichromate and one other reagent a reaction occurs.

which of the following is true about that?

• Color change occurs in the reaction from green to Orange

• the other reagent is sulfuric acid

• the product of the reaction is ethene

• this is an example of a displacement reaction

which of the following is true about manufacture of ethanol?

• fermentation results in 100% pure ethanol

• Hydration of ethene is a cyclic process

• Fermentation involves aerobic conditions

• alkenes are reactive so they react with water to give ethanol at room temperature

Tags

NGSS.HS-LS2-3

ethanol is produced by fermentation.

which of the following conditions is not required to produce ethanol by fermentation?

• Yeast

• Presence of Oxygen

• Sugar or starch dissolved in water

Pick the correct list of catalysts used in production of ethanol by hydration of ethene

• Room Temperature

  Room Pressure = 1 atm

  Alumina

• Room Temperature

  35 atm

  Phosphoric acid

Tags

NGSS.HS-PS1-5