Zadania z chemii IB HL

Znalezionych zadań: 4

Filtry i umiejętności1

(i) State the products of the overall reaction. (ii) Sketch the energy profile for this reaction on the axes below. Label the reactants, the products, the transition states and the intermediate. (iii) Deduce the rate equation for the overall reaction.

Zapisz

Which species is an intermediate in the following reaction mechanism? $\ce{NO2(g) + NO2(g) -> NO3(g) + NO(g)}$ $\ce{NO3(g) + CO(g) -> NO2(g) + CO2(g)}$ A. $\ce{NO2}$ B. $\ce{NO3}$ C. $\ce{NO}$ D. $\ce{CO2}$

The following mechanism has been proposed for the reaction between nitrogen(II) oxide and hydrogen. $\ce{2NO(g) <=> N2O2(g)}$ fast $\ce{N2O2(g) + H2(g) -> N2O(g) + H2O(g)}$ slow Which rate equation is consistent with this mechanism? A.…

The energy profile of a reaction that occurs in two steps is shown. Which statement is correct? A. Q is a transition state, and the first step is rate-determining. B. Q is an intermediate, and the first step is rate-determining. C. Q is an intermediate, and…