18.4.2 Green Chemistry

• What is the goal of designing safer chemicals in Green Chemistry?

  Reduce or eliminate toxicity
• What is the primary aim of the principles of Green Chemistry?

  Reduce hazardous substances
• The principle of Atom Economy contrasts with traditional synthesis methods, which often generate significant amounts of waste
• Match the concept of Green Chemistry with its description:

  Atom Economy ↔️ Incorporation of all materials into the final product

  Reaction Yield ↔️ Efficiency of converting reactants into products
• What does Reaction Yield measure in chemical processes?

  Efficiency of conversion
• The principle of Atom Economy contrasts with Reaction Yield
• Supercritical CO₂ is a green solvent.


  True
• What is the purpose of green reagents in chemical processes?

  Minimize waste and toxicity
• Green catalysts include biocatalysts such as enzymes
• What is Green Chemistry focused on?

  Reducing hazardous substances
• Green Chemistry is the design of chemical products and processes that reduce or eliminate the use and generation of hazardous substances
• Atom Economy focuses on maximizing the use of all materials in a chemical process.


  True
• Safer solvents and auxiliaries in Green Chemistry refer to the use of innocuous substances
• Arrange the following principles of Green Chemistry in their order of importance:

  1️⃣ Prevention

  2️⃣ Atom Economy

  3️⃣ Less Hazardous Chemical Syntheses

  4️⃣ Designing Safer Chemicals

  5️⃣ Safer Solvents and Auxiliaries
• The goal of Atom Economy is to maximize the production of the product.

  False
• Improving atom economy aligns with the prevention principle of Green Chemistry
• What are some properties of traditional chemical solvents?

  Volatile, flammable, toxic
• Green catalysts are consumed during a reaction.

  False
• The principle of Prevention in Green Chemistry emphasizes avoiding waste generation rather than treating or cleaning it up
• Match the Green Chemistry principle with its description:

  Atom Economy ↔️ Maximize incorporation of materials

  Less Hazardous Chemical Syntheses ↔️ Use substances with low toxicity

  Designing Safer Chemicals ↔️ Create products with minimal harm
• Atom Economy aims to maximize the incorporation of all materials into the final product.


  True
• What are some examples of green solvents used in Green Chemistry?

  Water, ethanol, supercritical CO₂
• What are three examples of green solvents?

  Water, ethanol, supercritical CO₂
• What is the primary purpose of green reagents in chemical reactions?

  Reduce waste and toxicity
• Green synthesis aims to minimize the use and generation of hazardous substances
• Green synthesis reduces environmental pollution and conserves energy.


  True
• Green Chemistry promotes the use of renewable resources
• Order the following Green Chemistry principles from general to specific:

  1️⃣ Prevention

  2️⃣ Atom Economy

  3️⃣ Less Hazardous Chemical Syntheses

  4️⃣ Designing Safer Chemicals

  5️⃣ Safer Solvents and Auxiliaries
• Improving atom economy aligns with the prevention principle of Green Chemistry
• Improving atom economy aligns with the prevention principle of Green Chemistry
• Green solvents are designed to be more environmentally friendly than traditional solvents.


  True
• Selecting green solvents reduces worker exposure to hazardous substances
• Green catalysts are consumed during chemical reactions.

  False
• What type of feedstock is used in green synthesis instead of fossil fuels?

  Renewable resources
• What is a key goal of Green Chemistry regarding environmental impact?

  Reduce pollution
• Green Chemistry principles help protect the environment and conserve resources.


  True