Explain how to differentiate between precipitation, acid-base, and oxidation-red

Question

Explain how to differentiate between precipitation, acid-base, and oxidation-reduction reactions, and then identify each of the following reactions as one of these three types. For any reactions that are oxidation-reduction, indicate the species that are oxidized and reduced, including the initial and final oxidation numbers for each. H2S04 (aq) + 2 KHCO3 (aq) K2S04 (aq) + 2 H20 (1) + 2 C02 (g) 2 Hg (1) + O2 (g) 2 HgO (s) Na2CO3 (aq) + 2 AgNO3 (aq) 2 NaNO3 (aq) + Ag2CO3 (s) Cl2 (aq) + 2 Nal (aq) I2 (aq) + 2 NaCl (aq)

Explanation / Answer

1) ACID BASE REACTION

2) OXIDATION REDUCTION REACTION

   Hg is oxidised(0 to +2)

O2 is reduced O^-1 (0 to (-2)

3) precipitation reaction

4)oxidation -reduction reaction

Cl2is reduced    to Cl-1(0----------------------(-1)

I-1 is oxidised to I2---------(-1   to     0)

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