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Effect of Temperature on Rate of Reaction
Effect of Temperature on Rate of Reaction
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1)
Rate of a reaction is given by
Rate = Δconcentration/Δtime
Rate = concentration/time
Rate = time/concentration
Rate = Δtime/Δconcentration
2)
A reaction 3X+6Y→Z, the rate of the reaction can be given by
Rate=−Δ[X]/Δt=−Δ[Y]/Δt =Δ[Z]/Δt
Rate=Δ[X]/3Δt=Δ[Y]/6Δt =Δ[Z]/Δt
Rate=−Δ[X]/3Δt=−ΔY/6Δt =−Δ[Z]/Δt
Rate=−Δ[X]/3Δt=−Δ[Y]/6Δt =Δ[Z]/Δt
3)
Factors which affect the rate of a reaction
Nature of the reaction
All of these
Temperature
Concentration
4)
Factors which do not affect the rate of a reaction
Pressure
All of these contribute to the rate of a reaction
Catalyst
Amount of the product formed
5)
Which gas is formed when Sodium thiosulphate react with hydrochloric acid
O₂
N₂
SO₃
SO₂
6)
What is the formula of sodium thiosulphate
Na₂S₂O₂
Na₃S₂O₂
Na₂S₂O₃
Na₃S₂O₃
7)
What type of solution of sulphur is obtained
Precipitate solution
Saturated solution
Colloidal solution
Salt solution
8)
The rate of a reaction increases with increase in temperature is due to
Elastic collision
Successful collision
Increased energy and successful collision
Increased energy
9)
Catalyst is a substance, which __________ chemical reaction.
Alters the value of equilibrium constant in a reversible
Increases the speed of a
Decreases the speed of a
Can either increase or decrease the speed of a
10)
According to Arrhenius equation , rate constant (k) is proportional to
e^1/E
e^E
e^-E
Activation energy E