Q. A chemical reaction does not involve:
a. Formation of new substances having entirely different properties than that of the reactants.
b. Breaking of old chemical bonds and formation of new bonds
c. Rearrangement of atoms of reactants to form new products
d. Changing of the atoms of an element into those of another element to form new products.
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Final answer: A chemical reaction does not involve: Option (d) Changing of the atoms of an element into those of another element to form new products.
Given that: We are given,
(a) Formation of new substances having entirely different properties than that of the reactants.
(b) Breaking of old chemical bonds and formation of new bonds.
(c) Rearrangement of atoms of reactants to form new products.
(d) Changing of the atoms of an element into those of another element to form new products.
To find: We have to find correct option for a chemical reaction does not involve.
Explanation:
- A chemical reaction does not involve: Option (d) Changing of the atoms of an element into those of another element to form new products. According to Dalton’s theory, in a chemical reaction one substance is converted into another by rearrangement of atoms not by changing of the atoms of one type into other.
- The changes occur in a chemical reaction, when bonds are broken and/or formed between molecules or atoms. So properties of products are differ from that of reactants. Option (a) Formation of new substances having entirely different properties than that of the reactants, is false for given statement.
- In a chemical reaction, bonds are broken or bond formations are takes place. Option (b) Breaking of old chemical bonds and formation of new bonds, is false for given statement.
- In a chemical reaction the reactants is converted into product by rearrangement of atoms. Option (c) rearrangement of atoms of reactants to form new products, is false for given statement.
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