Question

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Answer 1

✔✔Here is your answer in the attachment ✔✔

Answer 2

Adding (i) and (iii)and then subtracting (ii), we get ,

C2H4 + 3O2 + H2 -----> 2CO2 + 2H2O + H20

C2H6 + 7H2O2-----> 2CO2 + 3H2O

C2H5 + H2 ------>C2H6

HEAT OF HYDROGENATION OF ETHYLENE IS - 137kJ