Predictions From Electrode Potentials (OCR A-Level Chemistry A): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What do standard electrode potentials indicate about redox reactions?
What do standard electrode potentials indicate about redox reactions?
Thermodynamic feasibility only
What is the standard concentration used when measuring electrode potentials?
What is the standard concentration used when measuring electrode potentials?
mol dm
Which species is the strongest oxidising agent? : /Ag V, Cu/Cu V
Which species is the strongest oxidising agent? : /Ag V, Cu/Cu V
Which species is the strongest reducing agent? : Cr/Cr V, Cu/Cu V
Which species is the strongest reducing agent? : Cr/Cr V, Cu/Cu V
For a feasible reaction, the oxidising agent comes from a system with what value?
For a feasible reaction, the oxidising agent comes from a system with what value?
More positive than the reducing agent
What is a key limitation of using values to predict reactions?
What is a key limitation of using values to predict reactions?
They give no information about rate
If Zn concentration increases above mol dm, what happens to for Zn/Zn?
If Zn concentration increases above mol dm, what happens to for Zn/Zn?
Becomes less negative
What is the relationship between and ?
What is the relationship between and ?
What does a positive value indicate?
What does a positive value indicate?
Thermodynamically feasible reaction
When combining half-equations, what must be balanced before adding them together?
When combining half-equations, what must be balanced before adding them together?
Electrons