Temperature coefficient of a reaction is 2. When temperature is increased from 30⁰C to 100⁰C, rate of the reaction increases by
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(a) 128 times (b) 100 times (c) 500 times (d) 250 […]
Order of reaction is decided by
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(a) molecularity (b) pressure (c) temperature (d) mechanism of reaction as well as relative concentration of reactants
Correct Answer:
mechanism of reaction as well as relative […]
Certain bimolecular reactions which following first order kinetics are called
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(a) bimolecular reactions (b) first order reactions (c) pseudounimolecular reactions (d) unimolecular reactions
Correct Answer:
pseudounimolecular reactions
Explanation:
The certain bimolecular reaction […]
The rate of reactions exhibiting negative activation energy
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(a) decreases with increasing temperature (b) increases with increasing temperature (c) does not depend on temperature (d) depents on the height of the potential […]
For the reaction R → P a graph of [R] against time is found to be a straight line with negative slop. What is the order of reaction
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(a) Second order (b) […]
In the chemical reaction 2SO₂ + O₂ ⇌ 2SO₃, increasing the total pressure leads to
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(a) increases in the amount of SO₃ (b) increasing in the partial pressure of O₂ (c) increase […]
For a chemical reaction X → Y, it is found that rate of the reaction is increased by a fraction 6.25 when the concentration of X is increased by a fraction of 2.5. The order […]
The plot of concentration of the reactant vs time for a reaction is a straight line with a negative slope. This reaction follows a
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(a) first order rate equation (b) zero order […]
Rate constants of some reaction are given below. predict which one indicates third order of reaction
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(a) k = 8.7 ˣ 10⁻³ mol⁻¹ Ls⁻¹ (b) k = 6.5 ˣ 10⁻⁴ mol L⁻¹ […]
In a zero-order reaction. for every 10° C rise of temperature , the rate is doubled. If the temperature is increased from 10° C to 100° C , the rate of the reaction will become […]
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