Zadania z chemii IB HL

Znalezionych zadań: 5

Filtry i umiejętności1

Which statement about this reaction is correct? $\ce{2Cl2 + O2 -> 2Cl2O}$

A. Chlorine is the reducing agent. B. Oxygen is the reducing agent. C. Chlorine is reduced. D. Oxygen is oxidized.

Which change represents oxidation of the functional group? A. $\ce{CH3COCH3 -> CH3CH(OH)CH3}$ B. $\ce{CH3CH(OH)CH3 -> CH3COCH3}$ C. $\ce{CH3CH2COOH -> CH3CH2CHO}$ D. $\ce{CH3CH=CH2 -> CH3CH2CH3}$

Which row identifies the oxidizing agent and the reducing agent in the reaction below? $\ce{3Cu(s) + 2NO3^-(aq) + 8H+(aq) -> 3Cu^2+(aq) + 2NO(g) + 4H2O(l)}$ A. Oxidizing agent: $\ce{Cu}$ , reducing agent: $\ce{NO3^-}$ B. Oxidizing agent: $\ce{NO3^-}$ , reducing…

Deduce the oxidation state of chlorine in each of the three chlorine-containing species in the equation. $\ce{Cl2}$ : $\ce{HOCl}$ : $\ce{Cl-}$ :

The overall reaction during the discharge of a lead–acid battery is: $\ce{Pb(s) + PbO2(s) + 2H2SO4(aq) -> 2PbSO4(s) + 2H2O(l)}$ Which statement is correct? A. The oxidation state of lead in $\ce{Pb(s)}$ changes from +2 to 0. B. The oxidation state of sulfur…