Question 1
When solutions of formic acid and copper(II) hydroxide react, which of the following are spectator ions?
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hydrogen ion◦
formate ion◦
copper(II) ion◦
hydroxide ion◦
none of these are correctQuestion 2
When solutions of formic acid and magnesium hydroxide react, which of the following are NOT present in the net ionic equation?
I. | hydrogen ion |
II. | formate ion |
III. | magnesium ion |
IV. | hydroxide ion |
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I and II◦
I, II, and III◦
I and IV◦
I and III◦
II and III