A mixture of H_(2)O_(2) and hydrzine with copper (II) is used as a rocket propellant. Why ?

A mixture of H_(2)O_(2) and hydrzine with copper (II) is used as a roc

1.	A mixture of H_(2)O_(2) and hydrzine with copper (II) is used as a rocket propellant. Why ?
Answer» Solution :The reaction between HYDRAZINE `(NH_(2)NH_(2))andH_(2)O_(2)` in the presence of Cu(II) is highly exothermic and is ACCOMPANIED by a LARGE INCREASE in energy as well as in volume of the PRODUCTS. Therefore, this mixture is used as a rocket propellant. `2H_(2)O_(2)(I)+H_(2)NH_(2)(I)overset(Cu(II))toN_(2)(g)uarr+4H_(2)O(g)uarr`