Standard Electrode Potentials and Reactivity of Metals (HSC SSCE Chemistry): Quizzes
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Practise the questions
10 questions from this quiz
Which half-reaction proceeds forward when comparing two reduction half-reactions?
Which half-reaction proceeds forward when comparing two reduction half-reactions?
The one with algebraically larger
What does a more negative standard electrode potential indicate about a metal?
What does a more negative standard electrode potential indicate about a metal?
The metal is more reactive
Which metal is most reactive: Zn ( = -0.76 V), Cu ( = +0.34 V)?
Which metal is most reactive: Zn ( = -0.76 V), Cu ( = +0.34 V)?
Zinc
What condition indicates a redox reaction is spontaneous?
What condition indicates a redox reaction is spontaneous?
Positive standard cell voltage
For Cd ( = -0.40 V) and Cu ( = +0.34 V), what is ?
For Cd ( = -0.40 V) and Cu ( = +0.34 V), what is ?
+0.74 V
Between Al ( = -1.66 V) and Mg ( = -2.37 V), which is reduced?
Between Al ( = -1.66 V) and Mg ( = -2.37 V), which is reduced?
Aluminium
Can Mg displace Al from a solution containing Al³⁺ ions?
Can Mg displace Al from a solution containing Al³⁺ ions?
Yes, Mg can displace Al
Which is a stronger oxidising agent: Br₂ ( = +1.09 V) or I₂ ( = +0.54 V)?
Which is a stronger oxidising agent: Br₂ ( = +1.09 V) or I₂ ( = +0.54 V)?
Bromine
Which is a stronger reducing agent: Al ( = -1.66 V) or Ni ( = -0.26 V)?
Which is a stronger reducing agent: Al ( = -1.66 V) or Ni ( = -0.26 V)?
Aluminium
How does metal reactivity change as electrode potential increases?
How does metal reactivity change as electrode potential increases?
Reactivity decreases