Reactivity 3.2 Electron transfer reactions – Page 2

M25-CHEM-HL-TZ1-P1A-Q34

Ammonia, \( NH_3 \), and nitrous acid, \( HNO_2 \), are compounds of nitrogen. What are the oxidation states of

Below is a reactivity series of selected elements, arranged from highest activity to lowest: Zn > Fe > Cd >

Which alcohol and conditions would produce the highest yield of methylpropanoic acid?

Transition elements are known for having multiple oxidation states, forming coloured compounds and acting as catalysts. The existence of variable

Half-cells such as \( Fe^{3+}(aq)+e^{-}\rightleftharpoons Fe^{2+}(aq) \) can be connected to other half-cells to form a voltaic cell.

Which product may be obtained by the reduction of \( CH_{3}CH_{2}COOH \)?

What is the oxidation state of Pt in \( [Pt(NH_{3})_{5}Cl]Cl_{3} \)?

What are the oxidizing and reducing agents in this reaction? \( ClO^{-}(aq)+SO_{2}(g)+H_{2}O(l)\rightarrow Cl^{-}(aq)+SO_{4}^{2-}(aq)+2H^{+}(aq) \)

Which statement about electrochemical cells is correct?

Consider two half-cells: \( Al(s)/Al^{3+}(aq) \) and \( Ni(s)/Ni^{2+}(aq) \). What will be the cell potential, in V, when the