Zadania z chemii IB HL

Znalezionych zadań: 4

Filtry i umiejętności1

Cyanide ions react with bromoethane, $\ce{CH3CH2Br}$

. (i) Draw the full structural formula of the organic product of this reaction. (ii) Predict which mechanism,

\mathrm{S_N1}

or

\mathrm{S_N2}

, operates in this reaction, and give a reason for your choice.…

(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.

The rate of the reaction between propanone and iodine in acidic solution was measured at a fixed concentration of the acid catalyst. $\ce{CH3COCH3(aq) + I2(aq) -> CH3COCH2I(aq) + HI(aq)}$ $[\ce{CH3COCH3}]$ / $\mathrm{mol\,dm^{-3}}$ $[\ce{I2}]$ /…

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.…