Excellence is key | 2024/2025 ~Page |1
OCR A level Chemistry -
Inorganic/Physical Questions & 100%
Correct Answers- Latest Test | Graded A+
| Passed
Reduction
֎ -:- gain of electrons
Oxidation
֎ -:- losing electrons
More negative the standard electrode potential
֎ -:- The stronger the reducing agent
When drawing the setup for electrode potentials, don't forget to include...
֎ -:- - electrodes
- ionic solutions (1 mol dm⁻³)
- salt bridge
- voltmeter
How does a catalyst speed up a reaction?
26/08/2024 | © Copyright- This work may not be copied for profit.
, Excellence is key | 2024/2025 ~Page |2
֎ -:- A catalyst provides an alternative pathway with a lower activation energy
What's the shape of a complex ion with 6 coordinating bonds?
֎ -:- Octahedral
What is an optical isomer?
֎ -:- A stereoisomer that forms a non-superimposible image of a molecule
Define bidentate
֎ -:- A ligand which can form 2 dative covalent bonds
How to calculate moles of a solid
֎ -:- Moles = mass/Mr
How to calculate moles of a solution
֎ -:- Moles = (volume/1000)*concentration
Units = mol dm⁻³
How to calculate moles of a gas
26/08/2024 | © Copyright- This work may not be copied for profit.
OCR A level Chemistry -
Inorganic/Physical Questions & 100%
Correct Answers- Latest Test | Graded A+
| Passed
Reduction
֎ -:- gain of electrons
Oxidation
֎ -:- losing electrons
More negative the standard electrode potential
֎ -:- The stronger the reducing agent
When drawing the setup for electrode potentials, don't forget to include...
֎ -:- - electrodes
- ionic solutions (1 mol dm⁻³)
- salt bridge
- voltmeter
How does a catalyst speed up a reaction?
26/08/2024 | © Copyright- This work may not be copied for profit.
, Excellence is key | 2024/2025 ~Page |2
֎ -:- A catalyst provides an alternative pathway with a lower activation energy
What's the shape of a complex ion with 6 coordinating bonds?
֎ -:- Octahedral
What is an optical isomer?
֎ -:- A stereoisomer that forms a non-superimposible image of a molecule
Define bidentate
֎ -:- A ligand which can form 2 dative covalent bonds
How to calculate moles of a solid
֎ -:- Moles = mass/Mr
How to calculate moles of a solution
֎ -:- Moles = (volume/1000)*concentration
Units = mol dm⁻³
How to calculate moles of a gas
26/08/2024 | © Copyright- This work may not be copied for profit.
