Section 4. Electrochemistry for Chemistry, IGCSE - revisedeck

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4. Electrochemistry

A section of Chemistry, 0620

Listing 10 of 500 questions

What are the electrode products when molten silver iodide is electrolysed between inert electrodes?

0620_w15_qp_13

MCQ

2015

Paper 1, Variant 3

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Concentrated aqueous potassium chloride is electrolysed using platinum electrodes. The solution contains the ions K+, Cl –, H+ and OH–. Which electrodes are the ions attracted to during this electrolysis?

0620_w16_qp_11

MCQ

2016

Paper 1, Variant 1

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The diagram shows the electrolysis of concentrated aqueous sodium chloride using inert electrodes. concentrated aqueous sodium chloride + – Which substances are produced at the electrodes?

0620_w16_qp_12

MCQ

2016

Paper 1, Variant 2

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Concentrated aqueous sodium iodide is electrolysed using platinum electrodes. The solution contains the ions Na+, I–, H+ and OH–. Which electrodes are the ions attracted to during this electrolysis?

0620_w16_qp_13

MCQ

2016

Paper 1, Variant 3

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A student sets up a number of simple cells by putting strips of two different metals into dilute sulfuric acid. Which cell produces the highest voltage?

0620_w16_qp_22

MCQ

2016

Paper 2, Variant 2

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Electricity is passed through concentrated aqueous sodium chloride. Inert electrodes are used. + – concentrated aqueous sodium chloride What is formed at the negative electrode?

0620_w17_qp_11

MCQ

2017

Paper 1, Variant 1

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The diagram shows the electrolysis of two solutions using inert electrodes. dilute sulfuric acid concentrated aqueous sodium chloride P Q R S + – + – Which substance is made at each electrode?

0620_w17_qp_12

MCQ

2017

Paper 1, Variant 2

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The electrolysis of concentrated hydrochloric acid using platinum electrodes is shown...

0620_w17_qp_13

MCQ

2017

Paper 1, Variant 3

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Which statements about the electrolysis of concentrated copper(chloride are correct?

0620_w17_qp_21

MCQ

2017

Paper 2, Variant 1

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Which statements about the electrolysis of concentrated copper(chloride are correct?

0620_w17_qp_22

MCQ

2017

Paper 2, Variant 2

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Questions Discovered

500