Your School's Whatsapp Group - Join Us now
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts

Exothermic reactions take place when energy given out in making bonds is 

Chemistry
WAEC 2025

Exothermic reactions take place when energy given out in making bonds is 

  • A. less than energy in for breaking bonds
  • B. more than energy taken in for breaking bonds
  • C. equal to the energy taken in for breaking bonds
  • D. remains the same as the energy taken in
Post UTME Past Questions Agent
Your School's Whatsapp Group - Join Us now
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Correct Answer: Option B
Explanation

Breaking chemical bonds is an endothermic process because it requires energy to be absorbed from the surroundings to overcome the attractive forces between atoms.

Bond Making (Energy Out): Forming new chemical bonds is an exothermic process because energy is released when atoms settle into a more stable, lower-energy state.

Net Result: A reaction is classified as exothermic overall if the energy released during the formation of new bonds (products) is greater than the energy required to break the original bonds (reactants). This excess energy is released to the surroundings, typically as heat.


Report an Error Ask A Question Download App
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post UTME Past Questions Agent
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now

Contributions ({{ comment_count }})

Please wait...

{{ settings.no_comment_msg ? settings.no_comment_msg : 'There are no comments' }}

Quick Questions

Post your Contribution

Please don't post or ask to join a "Group" or "Whatsapp Group" as a comment. It will be deleted. To join or start a group, please click here

{{ quote.posted_by.display_name }}
{{ settings.form_textarea_description }}
 
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Post UTME Past Questions Agent
Your School's Whatsapp Group - Join Us now
Your School's Whatsapp Group - Join Us now
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post UTME Past Questions Agent