Interpretation:
The correct statement about reversible reaction needs to be determined.
Concept introduction:
On the basis of direction, a chemical reaction can be classified as reversible and irreversible reaction. An irreversible reaction can proceed in one direction only whereas a reversible reaction proceeds in both directions.
Answer to Problem 9STP
Option (d) is correct.
Explanation of Solution
Reason for correct option:
In the rerversible reaction, reaction moves in both directions. The forward reaction converts the reactant molecule to product molecule and moves towards right. The backward reaction moves towards left side and converts products to reactant molecules. Both reactions occur at the same time.
Thus, a reversible reaction contains both reactant and product. When reaction reaches at equilibrium position, the rate of forward reaction is equal to rate of backward direction.
Reasons for incorrect options: reversible reaction has two parts; forward and backward reaction. Both reactions occur simultaneously, therefore, reactant and product is present in reversible reaction.
Thus option (A), (B) and (C) are incorrect.
Chapter U6 Solutions
Living by Chemistry
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