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General Chemistry

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Fireworks: Formula of Perchlorates

CHEM-XXVPU7

There are a substantial amount of perchlorate salts in fireworks, which contributes to perchlorate pollution in bodies of water after fireworks displays (for example, on the 4th of July).

Which of the following is the chemical formula of the perchlorate ion?

A

$Cl{ O }_{ 4 }^{ - }$

B

$Cl{ O }_{ 3 }^{ - }$

C

$Cl{ O }^{ - }$

D

$Cl{ O }_{ 2 }^{ - }$