Chemistry 5070 · O Level · Experimental design

Experimental design — practice question

Which statement is the correct one?

  • AEthanoic acid is a weak acid because when it is added to excess alkali not all of the ethanoic acid reacts.
  • BEthanoic acid is a weaker acid than sulfuric acid because a smaller proportion of its molecules dissociate in aqueous solution.
  • CHydrochloric acid is a stronger acid than ethanoic acid because hydrochloric acid always has a higher pH than ethanoic acid.
  • DSulfuric acid is a strong acid because it produces two hydrogen ions for every molecule that dissociates.

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI