Multiple Choice
Which statement correctly describes the phosphate ion?
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3. Chemical Reactions
Polyatomic Ions
Multiple Choice
Which of the following is the conjugate acid of the sulfate ion, SO_4^{2-}?
A
HSO_4^{-}
B
SO_3^{2-}
C
H_2SO_4
D
SO_4^{2-}
Verified step by step guidance1
Recall that a conjugate acid is formed when a base gains a proton (H\^+).
Identify the given species: the sulfate ion is SO\_4\^{2-}, which acts as a base in this context.
Add one proton (H\^+) to the sulfate ion to form its conjugate acid. This means increasing the hydrogen count by one and reducing the negative charge by one.
Write the formula for the conjugate acid: adding H\^+ to SO\_4\^{2-} gives HSO\_4\^{-}.
Compare the options given and select the species that matches HSO\_4\^{-} as the conjugate acid of SO\_4\^{2-}.
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