Page 25 - Spotlight A+ Form 4 & 5 Chemistry KSSM

CHAPTER
1 Redox Equilibrium

Important Learning Standards Page
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• Describe redox reactions. 296
1.1 Oxidation and
Reduction • Explain redox reaction based on the change in oxidation number. 301
• Investigate displacement reaction as a redox reaction. 306

1.2 Standard Electrode • Describe the standard electrode potential. 312
Potential • Determine oxidising agent and reducing agent based on their value 313
of standard electrode potentials.
1.3 Voltaic Cell • Explain redox reaction in voltaic cell. 315
• Describe electrolysis. 321
• Describe electrolysis of molten compound. 323
1.4 Electrolytic Cell • Explain factors that affect electrolysis of aqueous solution. 326
• Compare voltaic cell and electrolytic cell. 335
• Describe electroplating and purification of metal by electrolysis. 335
• Explain extraction of metal from its ore through electrolysis 338
1.5 Extraction of Metal process.
from Its Ore • Explain metal extraction from its ore through reduction process by 340
carbon.
• Describe metal corrosion process as redox reaction. 342
1.6 Rusting
• Prevent rusting. 345

• Active electrode / Elektrod aktif • Non-electrolyte / Bukan elektrolit
• Cast iron / Besi tuangan • Oxidation state / Keadaan pengoksidaan
• Chemical species / Spesies kimia • Oxidising agent / Agen pengoksidaan
• Corrosion / Kakisan • Polarisation / Pengutuban
• Daniell cell / Sel Daniell • Potential difference / Beza keupayaan
• Displacement of halogen / Penyesaran halogen • Purification of metal / Penulenan logam
• Displacement of metal / Penyesaran logam • Reducing agent / Agen penurunan
• Electrolyte / Elektrolit • Rusting / Pengaratan
• Electroplating of metal / Penyaduran logam • Slag / Sanga
• Extraction of metal / Pengekstrakan logam • Standard cell potential / Keupayaan sel piawai
• Froth floatation / Pengapungan berbuih • Standard electrode potential / Keupayaan elektrod
• Half-cell / Setengah sel piawai
• Half equation / Setengah persamaan • Voltaic cell / Sel kimia

294