Home / Unit-8 Energetics / Question
MCQ
Breaking chemical bonds:
Unit-8 Energetics
A Releases energy
B Has no energy change
C Requires (absorbs) energy
D Creates heat
Explanation

Energy must be supplied to break bonds, so bond breaking is an endothermic step.

Related MCQs

While boiling water at 100 degrees C, if heating is continued, the temperature of the water:
Unit-8 Energetics View
Some endothermic processes, such as evaporation of water, still occur spontaneously because they:
Unit-8 Energetics View
The energy needed for body functions is obtained mainly by the:
Unit-8 Energetics View
The branch of chemistry that deals with heat changes during chemical reactions is called:
Unit-8 Energetics View
The net ionic equation that gives nearly the same heat of neutralization for all strong acid-strong base pairs is:
Unit-8 Energetics View
Photosynthesis converts solar energy into:
Unit-8 Energetics View