唔識點分electrolytic cell同chemical cell?🧐
唔知邊part嘅ECS要記 又覺得好難記入腦?🤯
當題目俾左reactant同product嘅no. of moles你 但係唔知點用electron transfer黎deduce返product?🤥
MC題嘅chemical cell conc. effect特別case唔知點決定邊個reactant react?😟
冇有怕!! 我地嘅notes會詳細教你點做 實幫到你搞掂!😎
有我地份notes喺手redox呢個topic就從此冇野好驚👍🏻
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🔮 秘製 skills and question templates in …
🔋 Chemical cells
- Templates in explaining electron flow, observations, low efficiency, energy conversion
- Skills in differentiating nature of electrode quickly and accurately
- Skills in identifying wrong use of electrolyte in salt bridge accurately and quickly
💥 Redox reactions
- Given part of the ECS necessary to memorise
- Templates in explaining reactions
- Skills in determining if it is a redox reaction
- Skills to determine if the equation represents a reaction that takes place in neutral/ alkaline/ acidic medium
- Skills to determine the strength of OA/RA through a series of reactions accurately
- Skills to deduce product given the number of moles of 2 reactant using change in ON/ transfer of electrons
- Remind side reactions in the some reactions of conc H2SO4 and conc HNO3
⚡️ Electrolysis
- Skills in determining electrolytic cells and chemical cells quickly
- Templates in explaining preferential discharge, change in pH, deduce volume ratio
- Skills in determining any differences in product formation of 2 electrolytic cells
- Explanation in special case in conc effect of chemical cells + skills to determine which reactants react