हिंदी

Principles of Green Chemistry

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Estimated time: 4 minutes
Maharashtra State Board: Class 12

Formula: Atom Economy

\[\text{Atom Economy}=\left(\frac{\text{Formula Weight of Desired Product}}{\text{Sum of formula weight of all the reactants used in the reaction}}\right)\times100\]

Maharashtra State Board: Class 12

Key Points: Principles of Green Chemistry

  • Prevention of waste or by-products: It is better to prevent waste than to clean it later.
  • Atom economy: Design reactions so that maximum reactants are converted into a useful product.
  • Less hazardous chemical synthesis: Use and produce chemicals with minimum toxicity.
  • Designing safer chemicals: Develop chemicals that are less harmful.
  • Use of safer solvent and auxiliaries: Avoid harmful solvents or use safer ones.
  • Design for energy efficiency: Use minimum energy during chemical processes.
  • Use of renewable feedstock: Prefer renewable raw materials over non-renewable ones.
  • Reduce derivatives: Avoid unnecessary steps that increase waste.
  • Use of catalysis: Use catalysts to increase efficiency and reduce energy use.
  • Design for degradation: Products should break down safely after use.
  • Real-time analysis for pollution prevention: Monitor reactions to prevent harmful substances.
  • Safer chemistry for accident prevention: Design processes to reduce the risk of accidents.
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