ib-diploma – Vertex

Chemistry HL

A student investigated the effect of concentration on the rate of reaction between sodium thiosulfate, \( Na_2S_2O_3 \), and hydrochloric

A student was given a mixture to separate and collect the individual components. The mixture contained sand, \( SiO_2(s) \),

A colorimetry experiment was conducted on a series of solutions of copper(II) sulfate, \( CuSO_4 \). The absorbance versus concentration

Which of these ions would be a suitable species to react with benzene in a substitution reaction?

The following occurs when tin is added to separate solutions of lead(II) nitrate, \( Pb(NO_3)_2 \), and manganese(II) nitrate, \(

What are the products of the electrolysis of molten aluminium oxide, \( Al_2O_3(l) \)?

Which compound can be reduced to produce butanal?

Consider the following standard electrode potentials: \( Zn^{2+}(aq) + 2e^- \rightleftharpoons Zn(s) \), \( E^{\ominus} = -0.76 \, V \)

What is the pH of a buffer solution which contains \( 0.500 \, mol \, dm^{-3} \) of methanoic acid