11th Class Chemistry Hydrogen & Its Compounds Question Bank 11th CBSE Chemistry Hydrogen & Its Compounds

  • question_answer A mixture of hydrazine, hydrogen peroxide and Cu(II) catalyst is used as rocket fuel. Why?


                    In the presence of Cu(II) catalyst, hydrogen peroxide oxidises hydrazine \[(N{{H}_{2}}-N{{H}_{2}})\] to nitrogen. The reaction is highly exothermic and is accompanied by large increase in volume. Therefore, the mixture provides an upward thrust and is used as a rocket fuel. \[N{{H}_{2}}-N{{H}_{2}}\,(l)\,+2{{H}_{2}}{{O}_{2}}(l)\]\[\xrightarrow[Heat]{Cu(II)}\,{{N}_{2}}(g)+4{{H}_{2}}O(g)+\text{heat}\,\]


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