Bromide (chemistry)

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A bromide ion is an bromine atom with charge −1.

Compounds with bromine in formal oxidation state −1 are called bromides. This can include ionic compounds such as caesium bromide or basically covalent compounds such as sulfur dibromide. You can test for a bromide ion by adding dilute nitric acid HNO₃. Then add silver nitrate AgNO₃. A cream precipitate forms that disappears in concentrated ammonia solution.

Examples

• hydrogen bromide (HBr)
• sodium bromide (NaBr)
• carbon tetrabromide (CBr₄)
• sulfur dibromide (SBr₂)

See for a bigger list.

 

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