
Catalytic decomposition of hydrogen peroxide is a ______ order reaction.
Answer
408.3k+ views
Hint: The relationship between the rate of a chemical reaction and the concentration of the species involved is referred to as the order of the reaction. The rate expression (or rate equation) of the reaction in question must be obtained to obtain the reaction order.
Complete answer:
The order of reaction can be defined as the power dependence of rate on all reactant concentrations. The rate of a first-order reaction, for example, is solely determined by the concentration of one species in the reaction. The following are some characteristics of a chemical reaction's reaction order.
The number of species whose concentration directly affects the rate of reaction is represented by reaction order.
It can be calculated by adding the exponents of all the concentration terms in the rate expression.
The order of the reaction is unaffected by the stoichiometric coefficients assigned to each species in the balanced reaction.
A chemical reaction's reaction order is always defined by reactant concentrations rather than product concentrations.
The order of reaction can take the form of an integer or a fraction. It can even be set to zero.
The power-law form of the rate equation is commonly used to determine the reaction order. This form of the rate law is expressed as follows:
\[\text{r = k }\!\![\!\!\text{ A}{{\text{ }\!\!]\!\!\text{ }}^{x}}{{\text{ }\!\![\!\!\text{ B }\!\!]\!\!\text{ }}^{y}}\]
Catalase is a catalyst (rather than just another reactant) because it reacts as both an electron donor and acceptor. Catalase is an example of an enzyme, also known as a biological catalyst. Under acidic conditions, many other compounds, such as iodide ions, decompose hydrogen peroxide.
The decomposition reaction of hydrogen peroxide was discovered to be first-order, as most previous researchers reported. The decomposition of pure peroxide in dilute sulfuric acid was found to have a rate constant at an initial temperature of 67 °C.
Catalytic decomposition of hydrogen peroxide is a first-order reaction.
Note:
It should be noted that when the order of the reaction is a fraction, the reaction is either a chain reaction or follows another complex mechanism. The pyrolysis of acetaldehyde is an example of a chemical reaction with a fractional reaction order.
Complete answer:
The order of reaction can be defined as the power dependence of rate on all reactant concentrations. The rate of a first-order reaction, for example, is solely determined by the concentration of one species in the reaction. The following are some characteristics of a chemical reaction's reaction order.
The number of species whose concentration directly affects the rate of reaction is represented by reaction order.
It can be calculated by adding the exponents of all the concentration terms in the rate expression.
The order of the reaction is unaffected by the stoichiometric coefficients assigned to each species in the balanced reaction.
A chemical reaction's reaction order is always defined by reactant concentrations rather than product concentrations.
The order of reaction can take the form of an integer or a fraction. It can even be set to zero.
The power-law form of the rate equation is commonly used to determine the reaction order. This form of the rate law is expressed as follows:
\[\text{r = k }\!\![\!\!\text{ A}{{\text{ }\!\!]\!\!\text{ }}^{x}}{{\text{ }\!\![\!\!\text{ B }\!\!]\!\!\text{ }}^{y}}\]
Catalase is a catalyst (rather than just another reactant) because it reacts as both an electron donor and acceptor. Catalase is an example of an enzyme, also known as a biological catalyst. Under acidic conditions, many other compounds, such as iodide ions, decompose hydrogen peroxide.
The decomposition reaction of hydrogen peroxide was discovered to be first-order, as most previous researchers reported. The decomposition of pure peroxide in dilute sulfuric acid was found to have a rate constant at an initial temperature of 67 °C.
Catalytic decomposition of hydrogen peroxide is a first-order reaction.
Note:
It should be noted that when the order of the reaction is a fraction, the reaction is either a chain reaction or follows another complex mechanism. The pyrolysis of acetaldehyde is an example of a chemical reaction with a fractional reaction order.
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