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Write one point that differentiates nuclear reactions from chemical reactions. - Chemistry

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Distinguish Between

Write one point that differentiates nuclear reactions from chemical reactions.

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Solution

No. Chemical reactions Nuclear reactions
1. Rearrangement of atoms by breaking and forming of chemical bonds. Elements or isotopes of one element are converted into another element in a nuclear reaction.
2. Different isotopes of an element have same behaviour. Isotopes of an element behave differently.
3. Only outer shell electrons take part in the chemical reaction. In addition to electrons, protons, neutrons, other elementary particles may be involved.
4. The chemical reaction is accompanied by relatively small amounts of energy.
e.g. chemical combustion of 1.0 g methane releases only 56 kJ energy.
The nuclear reaction is accompanied by a large amount of energy change. e.g. The nuclear transformation of 1 g of Uranium – 235 release 8.2 × 107 kJ
5. The rates of reaction are influenced by temperature, pressure, concentration, and catalyst. The rate of nuclear reactions is unaffected by temperature, pressure, and catalyst.
Concept: Nuclear Reactions
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APPEARS IN

Balbharati Chemistry 11th Standard Maharashtra State Board
Chapter 13 Nuclear Chemistry and Radioactivity
Exercises | Q 3. (F) | Page 202
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