WAEC Chemistry 2021 Objective — Question 41

Question 41 of 50 from the West African Examinations Council (WAEC) Chemistry 2021 Objective paper, with the correct answer and a full explanation.

41. Consider the following energy profile diagram (Potential Energy vs Reaction Co-ordinates) and use it to answer questions 41 to 43. The activation energy of the reaction is

A. EA
B. EBCorrect
C. EC
D. ED

Explanation

The activation energy (EB) is the minimum energy required to get the reaction started, shown as the height of the energy barrier above the reactants.

Sign up free to unlock

Score tracking
Practice history
Saved questions
Progress dashboard
Personalized sessions
Weak-topic breakdown

…and/or go further with premium services and No Ads.

Create free account

More questions from Chemistry 2021 Objective More Chemistry past papers