Proper liquid handling is crucial for several reasons: 1. Precision and Accuracy: Ensures the correct volumes and concentrations of reactants and catalysts, which is essential for reproducible results. 2. Safety: Improper handling can lead to spills, contamination, and hazardous reactions. 3. Efficiency: Enhances reaction rates and selectivity by ensuring proper mixing and contact between reactants and catalysts. 4. Scalability: Facilitates the transition from laboratory-scale reactions to industrial-scale processes.