Zadania z chemii IB HL

Znalezionych zadań: 3

Filtry i umiejętności1

(i) Concentrated sulfuric acid, $\ce{H2SO4}$

, is used as the catalyst in the manufacture of propyl ethanoate. Explain how the catalyst affects the reaction. (ii) The conversion of propane into 1-bromopropane,

\ce{C3H8(g) + Br2(g) -> CH3CH2CH2Br(g) + HBr(g)}

…

Iodoethane can react with aqueous hydroxide ions to produce ethanol. $\ce{CH3CH2I(l) + OH-(aq) -> CH3CH2OH(aq) + I-(aq)}$ (i) State what type of reaction this is. (ii) Using curly arrows to show the movement of electron pairs, sketch the mechanism of this…

The $\ce{^{1}H}$ NMR spectra of four compounds are described below. Which is the spectrum of propanone, $\ce{CH3COCH3}$ ? Use section 21 of the data booklet. A. one singlet at 2.2 ppm B. a quartet at 2.4 ppm and a triplet at 1.0 ppm, with relative areas 2 : 3…