Adouble replacement reaction occurs when hydrosulfuric acid (h2s) is mixed with an aqueous solution of iron (iii) bromide. what is the correct balanced chemical equation for this reaction?

3h2s(aq) + 2febr3 (aq) 2feh3(aq) + 3sbr2(s)

hs(aq) + febr(aq) hbr(aq) + fes(s)

h2s(aq) + febr3(aq) hbr(aq) + fe2s3(s)

3h2s(aq) + 2febr3 (aq) 6hbr(aq) + fe2s3(s)

b is the correct answer

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nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.