Podcast
Questions and Answers
What is the oxidation number of Cl in the compound NaCl?
What is the oxidation number of Cl in the compound NaCl?
- +2
- 0
- +1
- -1 (correct)
According to the Redox Reaction Rule 2, what is the oxidation number of an ion?
According to the Redox Reaction Rule 2, what is the oxidation number of an ion?
- Always -1
- Dependent on the element
- Always +1
- Equal to its charge (correct)
In which compound does oxygen have an oxidation number of -1?
In which compound does oxygen have an oxidation number of -1?
- H2O2 (correct)
- OF2
- NaF
- MgO
What is the oxidation number of magnesium in the compound MgO?
What is the oxidation number of magnesium in the compound MgO?
Which element in a compound always has an oxidation number of -1?
Which element in a compound always has an oxidation number of -1?
According to the Redox Reaction Rule 4, when is the oxidation number of hydrogen +1?
According to the Redox Reaction Rule 4, when is the oxidation number of hydrogen +1?
What is the oxidation number of chlorine in hypochlorous acid (HClO)?
What is the oxidation number of chlorine in hypochlorous acid (HClO)?
In the compound sodium chloride (NaCl), what is the oxidation number of sodium?
In the compound sodium chloride (NaCl), what is the oxidation number of sodium?
Which compound demonstrates the Redox Reaction Rule 7 regarding halogens combined with oxygen or fluorine?
Which compound demonstrates the Redox Reaction Rule 7 regarding halogens combined with oxygen or fluorine?
What is the oxidizing agent in the reaction: Fe2+ (aq) + Co(s) → Fe(s) + Co2+ (aq)?
What is the oxidizing agent in the reaction: Fe2+ (aq) + Co(s) → Fe(s) + Co2+ (aq)?
What is the reducing agent in the reaction: K (s) + Cl2 (g) → KCl (s)?
What is the reducing agent in the reaction: K (s) + Cl2 (g) → KCl (s)?
In the chemical equation: SnCl2 (aq) + 2FeCl3 (aq) → SnCl4 (aq) + 2FeCl2 (aq), what is being oxidized?
In the chemical equation: SnCl2 (aq) + 2FeCl3 (aq) → SnCl4 (aq) + 2FeCl2 (aq), what is being oxidized?
What is the defining characteristic of an oxidation reaction?
What is the defining characteristic of an oxidation reaction?
Which of the following describes the role of an oxidizing agent?
Which of the following describes the role of an oxidizing agent?
What does an oxidation number indicate about an atom?
What does an oxidation number indicate about an atom?
Which process involves a decrease in the oxidation number of a substance?
Which process involves a decrease in the oxidation number of a substance?
What happens to the oxidation state of a reducing agent during a redox reaction?
What happens to the oxidation state of a reducing agent during a redox reaction?
In a reduction reaction, there is a:
In a reduction reaction, there is a:
What is the primary focus of electrochemistry?
What is the primary focus of electrochemistry?
In electrochemistry, what is the role of oxidation and reduction in redox reactions?
In electrochemistry, what is the role of oxidation and reduction in redox reactions?
What does a redox reaction consist of?
What does a redox reaction consist of?
Why do oxidation and reduction occur simultaneously in redox reactions?
Why do oxidation and reduction occur simultaneously in redox reactions?
What happens in a non-spontaneous chemical reaction with electricity according to the text?
What happens in a non-spontaneous chemical reaction with electricity according to the text?
What process involves the movement of electrons according to the text?
What process involves the movement of electrons according to the text?
What is the function of the cathode in an electrochemical cell?
What is the function of the cathode in an electrochemical cell?
In a galvanic cell, which electrode is the positive electrode?
In a galvanic cell, which electrode is the positive electrode?
What happens at the anode in a galvanic cell?
What happens at the anode in a galvanic cell?
Which component of a voltaic cell causes the movement of electrons through the external circuit?
Which component of a voltaic cell causes the movement of electrons through the external circuit?
What type of reaction occurs in a galvanic cell to produce electrons?
What type of reaction occurs in a galvanic cell to produce electrons?
What is the role of the salt bridge in an electrochemical cell?
What is the role of the salt bridge in an electrochemical cell?
