Chemistry Class 10 Chapter 4: Electrochemistry

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• Class 10
• Chemistry
• Chapter 4
• FBISE SSC-II

Chapter summary

Chapter 4 of Chemistry for Class 10 is called "Electrochemistry". It covers 12 learning outcomes of the Federal Board syllabus. You will learn to: define electrolysis as decomposition of ionic compound, in molten or aqueous solution, by; identify and label in simple electrolytic cells the anode (+), cathode (-), electrolyte and. Parhayi.com has 175 MCQs, 27 short questions and 11 long questions for this chapter.

Topics in this chapter

• Define electrolysis as decomposition of ionic compound, in molten or aqueous solution, by…
• Identify and label in simple electrolytic cells the anode (+), cathode (-), electrolyte and…
• Describe the transfer of charge in external circuit, movement of ions in the electrolyte…
• Identify the products formed at electrodes and describe the observations made during the…
• State that hydrogen-oxygen fuel cell uses hydrogen and oxygen to produce electricity with…
• Describe the advantages and disadvantages of using hydrogen-oxygen fuel cells in comparison…
• Identify the products formed at electrodes and describe the observations made during the…
• Predict the identity of products of electrolysis of a halide compound in dilute or…
• Construct ionic half-equations for reaction at either electrode.
• Describe the electroplating and its applications.
• Sketch a schematic diagram for a Voltaic cell e.g. Daniel cell.
• Use the voltage data given for voltaic cells to determine order of reactivity of any two…

Sample questions

Try these questions from the chapter. The answers are for Premium students.

1. Given the standard electrode potentials of zinc (−0.76 V) and copper (+0.34 V), identify which metal is more reactive? Justify your answer. (3 marks)
2. Define electrolysis. Why must the compound be molten or in solution? (3 marks)
3. Explain why the colour of CuSO₄ solution does not change when copper electrodes are used. (3 marks)

What Premium gives you in this chapter

• 175 MCQs with answers and explanations
• 27 short questions with full answers
• 11 long questions with answers
• 13 Learn cards
• 31 Activities and games
• chapter tests that show your weak topics

Chemistry is the study of matter and how it changes. Learn the definitions first, then practise equations, balancing and numericals until they feel easy.