Reactants change into products with (a) breaking of bonds (b) making of bonds (c)breaking and making of bonds (d) none of these
Answers
Reactants change into products with making and breaking of bonds so correct answer is option (c).
According to intermediate theory the old bonds between the atoms of reactants are broken and hence atoms in products are formed by formation of new bonds.
During the process energy is absorbed to break bonds, and when new bonds are formed in products energy is evolved.During this process when reactant is converted to product an unstable intermediate is formed.
An intermediate is a molecule in which bonds breaking and bond formation take place simultaneously.The energy of intermediate is more than products and hence the molecule in highly unstable and is converted to products.
So products are always formed by breaking of old bonds and formation of new bonds.
Reactants change into products with breaking and making of bond.
Option: (c)
Explanation:
- Different types of chemical reaction takes place on a different basis. In case of addition reaction, there is always formation of new born without breaking of any bond.
- In case of substitution reaction, there is at first breaking of bond followed by the making of the bond.
- In case of combustion reaction there is breakdown of the bonds.
- The correct answer is when reactants are changed into products it involves both breaking of old bonds and making of new bonds.
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