Which of the following reaction has large amount of energy per mole of reactant?
A
Precipitation reactions
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B
Acid/base reactions
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C
Redox reactions
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D
Combustion reactions
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E
Nuclear reactions
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Solution
The correct option is D Nuclear reactions Nuclear Reactions have large amount of energy per mole of reactant. A nuclear reaction is semantically considered to be the process in which two nuclei, or else a nucleus of an atom and a subatomic particle (such as a proton, neutron, or high energy electron) from outside the atom, collide to produce one or more nuclides that are different from the nuclide(s) that began the process. Thus, a nuclear reaction must cause a transformation of at least one nuclide to another. If a nucleus interacts with another nucleus or particle and they then separate without changing the nature of any nuclide, the process is simply referred to as a type of nuclear scattering, rather than a nuclear reaction.