Podcast
Questions and Answers
What is the oxidation state change of sulfur in the half-reaction from SO32- to SO42-?
What is the oxidation state change of sulfur in the half-reaction from SO32- to SO42-?
Which step is necessary when balancing the oxidation half-reaction involving SO32-?
Which step is necessary when balancing the oxidation half-reaction involving SO32-?
When balancing the half-reaction for SO32- in basic conditions, what must be done after adding H+ ions?
When balancing the half-reaction for SO32- in basic conditions, what must be done after adding H+ ions?
Which of the following best describes the electron transfer in the reaction between MnO4- and SO32-?
Which of the following best describes the electron transfer in the reaction between MnO4- and SO32-?
Signup and view all the answers
What is the correct product in the balanced reduction half-reaction of MnO4-?
What is the correct product in the balanced reduction half-reaction of MnO4-?
Signup and view all the answers
What is the first step in balancing an oxidation half-reaction?
What is the first step in balancing an oxidation half-reaction?
Signup and view all the answers
In balancing the oxidation half-reaction of C2H5OH to CO2, how many moles of water are added to balance the oxygen atoms?
In balancing the oxidation half-reaction of C2H5OH to CO2, how many moles of water are added to balance the oxygen atoms?
Signup and view all the answers
When balancing the half-reaction, what is the last step to achieve balance in charge?
When balancing the half-reaction, what is the last step to achieve balance in charge?
Signup and view all the answers
Which component helps balance the hydrogens in the oxidation half-reaction?
Which component helps balance the hydrogens in the oxidation half-reaction?
Signup and view all the answers
What is the state of charge on the left side of the oxidation half-reaction before balancing?
What is the state of charge on the left side of the oxidation half-reaction before balancing?
Signup and view all the answers
In the reduction half-reaction of Cr2O72- to Cr3+, how many chromium ions are produced?
In the reduction half-reaction of Cr2O72- to Cr3+, how many chromium ions are produced?
Signup and view all the answers
What is the oxidation state of chromium in Cr2O72-?
What is the oxidation state of chromium in Cr2O72-?
Signup and view all the answers
How is the reaction verified after balancing the oxidation half-reaction?
How is the reaction verified after balancing the oxidation half-reaction?
Signup and view all the answers
What is the purpose of adding H+ to the reduction half-reaction?
What is the purpose of adding H+ to the reduction half-reaction?
Signup and view all the answers
Which statement correctly describes the charge balance in the oxidation half-reaction?
Which statement correctly describes the charge balance in the oxidation half-reaction?
Signup and view all the answers
How many electrons are produced in the oxidation half-reaction?
How many electrons are produced in the oxidation half-reaction?
Signup and view all the answers
What must be true about the number of electrons in the oxidation and reduction half-reactions?
What must be true about the number of electrons in the oxidation and reduction half-reactions?
Signup and view all the answers
After equalizing the number of electrons, how is the reduction half-reaction modified?
After equalizing the number of electrons, how is the reduction half-reaction modified?
Signup and view all the answers
What is the final overall charge after combining the balanced half-reactions?
What is the final overall charge after combining the balanced half-reactions?
Signup and view all the answers
Which component primarily affects the balancing of hydrogen in acidic reactions?
Which component primarily affects the balancing of hydrogen in acidic reactions?
Signup and view all the answers
When balancing the half-reaction, how do you verify the equality of atoms and charge?
When balancing the half-reaction, how do you verify the equality of atoms and charge?
Signup and view all the answers
