Year 12
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| The more electronegative the atom is, the more_____ the oxidation number is | Negative
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| Which are the three most electronegative elements? | 1. Fluorine
2. Oxygen
3. Chlorine
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| What are metal displacement reactions? | Reactions between a metal and a solution containing the ions of a different metal.
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| What are displacement reactions also known as? | oxidation/reduction reactions, redox reactions
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| What happens in a metal displacement reaction? | Metal converts the ion of another metal to the neautral atom, hence producing another solid.
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| What is the electromotive force? What is it measured in? | EMF, Potential difference across electrodes, measured in volts.
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| Standard electrode potentials are measured relitively to the standard_______ electrode | Hydrogen
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| What voltage is the standard hydrogen electrode set at? | 0.0V
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| Measurements in relation the the hydrogen electrode are done at which concentration, pressure and temperature? | Concentration: 1.00molL-1 (H+ ion)
Pressure: 100 KPa (H2 gas)
Temperature: 25C
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| Consider a galvanic cell that produces the overall reaction Zn(s) + Cu2+ (aq) ---> Zn2+(aq) + Cu(s) Find out the total E | +1.1V
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| Draw the Zn(s)+Cu2+(aq) ---> Zn2+(aq) + Cu(s) vertical lines for the potetial E | Zn(s)|Zn2+(aq)||Cu(aq)|Cu(s)
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| Describe what happens when copper metal is placed in a solution of Ag ions | - Copper oxidises
- Ag reduces and gains an electron, forming ag metalic
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To hide a column, click on the column name.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
sallyzhu
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