Question

What is rate of reaction
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Answer 1

Rate of reaction:

The speed at which the chemical reaction proceeds process called the rate of reaction.

=>It is often expressed in terms of either the concentration of a product that is formed in a unit of time or the concentration of reactant that is consumed in a unit time.

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Answer 2

RATE OF REACTION ;-

The rate of change of concentration of any species taking part in a chemical reaction with time is known as Rate of Reaction .

for a reaction R -> P ;

• Rate =  $\frac{Change in Concentration}{Time}$ = $\frac{ΔC}{Δt}$
• Unit = $\frac{mol/l}{s} \ or \ \frac{atm}{s} (for \gaseous\ reactant \or\ product)$