Chemistry Paper 2 (Practical), WASSCE (PC), 2022

Candidate's Strength

 

Candidates were able to:

-           draw the structural formula of alkanoic acid with a molar mass of 74 g mol-1;
-           define the term electrolysis;
-         state one factor that influences the preferential discharge of ions during electrolysis;
-           define rate of chemical reaction;
-           give the reason why water is described as a university solvent;
-           explain activation energy and ineffective collision;