4- In the following reactions label the oxidizing and reducing agent CO 4H:0: 4H

Question

4- In the following reactions label the oxidizing and reducing agent CO 4H:0: 4H20 5- Complete the following table: 5.6 gramk0l in500-19.6 gram of H2SO4 in ml of H2o 20 grarn of Lissa in 750 ml of H2O Compound 1500 ml of 11:0 Molarity Molality Balance the following chemical equations 12- K2O + HCI 14- FeS + HCI 15- KBrBF 16- Ca(OH)2+KI 18. NaOH + HF KCIO Find the % composition of individuals in, NK= Find the empirical formula of a compound with the following composition Hg 80.69% 6.436% 12.87% 0

Explanation / Answer

4)

A)

oxidation state of Zn changes from +2 to 0

So, Zn is getting reduced

So, ZnO is oxidising agent

oxidation state of C changes from 0 to +2

So, C is getting oxidised

So, C is reducing agent

b)

oxidation state of O changes from -1 to -2

So, O is getting reduced

So, H2O2 is oxidising agent

oxidation state of Pb changes from +2 to +4

So, Pb is getting oxidised

So, PbS is reducing agent

c)

oxidation state of Cl changes from 0 to -1

So, Cl is getting reduced

So, Cl2 is oxidising agent

oxidation state of Fe changes from +2 to +3

So, Fe is getting oxidised

So, FeO is reducing agent

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