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21-03-2024
Chemistry

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Aqueous solutions of cobalt (II) bromide and sodium hydroxide are mixed. Correctly match the following:
a) CoBr₂(aq) + 2NaOH(aq) → Co(OH)₂(s) + 2NaBr(aq)
b) CoBr₂(aq) + NaOH(aq) → Co(OH)₂(s) + NaBr(aq)
c) CoBr₂(aq) + 2NaOH(aq) → CoO(s) + 2NaBr(aq) + H₂O(l)
d) CoBr₂(aq) + 2NaOH(aq) → Co(OH)₃(s) + 2NaBr(aq)

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