- Question 01:
In the ion, HAsO42-, what is the oxidation number of arsenic?
- Question 02:
When the half-reactions shown below are combined, what is true of the resulting REDOX reaction?
Zn ⇌ Zn2+ + 2e-
Cu2+ + 2e- ⇌ Cu
- Question 03:
In the reaction between thiosulfate ions (S2O32-) and iodine, the sulfur species is converted to S4O62- and the iodine is converted to iodide ions. Which statement regarding the reaction is true?
- Question 04:
In which of the following does the metal have the same oxidation state?
- Question 05:
When manganate(VII) ions are reduced to Mn2+ ions in acid solution, how many electrons are transferred?
- Question 06:
When iron metal is added to a solution of copper(II) sulfate, which statement is true?
- Question 07:
Which of the following reactions could be described as displacement?
- Question 08:
In the following reaction, which species is acting as an acid in the REVERSE (right to left) reaction?
NH3 + H2O ⇌ NH4+ + OH-
- Question 09:
How many moles of hydroxide ions are present, and on which side of the equation, when the half-reaction below is balanced in BASIC solution, using the smallest possible integers?
MnO4- → MnO2
- Question 10:
Which of the following reactions represents both an Acid-Base neutralization, AND a precipitation reaction?