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The effect of temperature on the rate of a reaction is given by:
NUMS 2020
Chemistry
Reaction Kinetics
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The colour of methyl orange in base is?
NTS 2015 SMBBMC
Chemistry
Acids, Bases and Salts
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75% of a first order reaction is completed in 36 minutes. What is the half life of the reaction?
NUMS 2017
Chemistry
Reaction Kinetics
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Solar energy is stored through solar panels in?
The rate of a chemical reaction is directly proportional to the product of active masses of the reactants, it is referred to as:
NTS 2018
Chemistry
Reaction Kinetics
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Metaboric acid when heated produces:
NTS 2016 DUHS & JSMU
Chemistry
Acids, Bases and Salts
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Sum of all the exponents of the molar concentration of the reactant present in the rate equation is known as:
NTS 2012
Chemistry
Reaction Kinetics
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The rate of chemical reaction:
PMC Sample 2
Chemistry
Reaction Kinetics
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Common name of Octadecanoic acid is:
NTS 2016 DUHS & JSMU
Chemistry
Acids, Bases and Salts
Macromolecules
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Instantaneous rate of reaction is the rate at any
PMC Sample 2
Chemistry
Reaction Kinetics
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The rate of reaction:
NUMS 2020
Chemistry
Reaction Kinetics
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The rate of a gaseous reaction Is given by K [A] [B]. If the volume of the vessel containing these gases is reduced to 1/4th of the initial volume, the rate of reaction relative to the original rate would be:
NUMS 2016
Chemistry
Reaction Kinetics
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The rate constant of a first-order reaction is 3 x 10-6 per second.
If the initial concentration is 0.10 M, the initial rate of reaction is:
NUMS 2018
Chemistry
Reaction Kinetics
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If the reaction, P + Q → R + S, is described as being of zero-order with respect to P, it means that:
NTS 2012
Chemistry
Reaction Kinetics
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Half life period of the first order reaction depends upon:
NUMS 2015
Chemistry
Reaction Kinetics
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“The sum of all the exponents to which the molar concentration in terms in the rate equation are raised” defines:
NUMS 2016
Chemistry
Reaction Kinetics
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For a single step reaction A ->B + 2C, the rate law is:
NUMS 2017
Chemistry
Reaction Kinetics
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As the concentration of reactant increases, the rate of reaction also increases, it is because:
NUMS 2018
Chemistry
Reaction Kinetics
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The process of bringing an element in use after its complete half-life is:
The study of rates of chemical reactions and the factors that affect the rates of chemical reactions is known as:
PMC 2020
Chemistry
Reaction Kinetics
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Rate determining step of a chemical reaction which occur in more than one step depends upon the
PMC Sample 1
Chemistry
Reaction Kinetics
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A catalyst:
NTS 2016 DUHS & JSMU
Chemistry
Reaction Kinetics
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Half-life of an element is 5 days. If we have 50,000 of its atoms, then how many atoms would be left after 10 days?
A certain chemical reaction follows the
following rate law:
Rate =K [A] [B]2 The order of reaction is:
NTS 2011
Chemistry
Reaction Kinetics
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Activated complex is formed due to
PMC Sample 3
Chemistry
Reaction Kinetics
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Farming salt is:
NUMS 2014
Chemistry
Acids, Bases and Salts
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Methyl orange is _______ in acidic solutions.
NTS 2018
Chemistry
Acids, Bases and Salts
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In a zero-order reaction, the rate is independent of:
NTS 2019
Chemistry
Reaction Kinetics
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The rate of a reaction in general can be increased by all the following factors except:
NUMS 2015
Chemistry
Reaction Kinetics
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What is the order of the following reaction:
2NO +O2 -> 2NO2
NTS 2019
Chemistry
Reaction Kinetics
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The unit of the rate constant is the same as that of the rate of reaction in:
PMC 2020
Chemistry
Reaction Kinetics
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Which of the following statements is correct?
NTS 2017
Chemistry
Acids, Bases and Salts
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The rate of reaction:
PMC Sample 2
Chemistry
Reaction Kinetics
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For the reaction, A(g) -> products:
When the concentration of A(g) doubles, the rate of reaction increases four folds, which means it is:
PMC 2020
Chemistry
Reaction Kinetics
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Which of the following statements best describes how a catalyst works
NUMS 2018
Chemistry
Reaction Kinetics
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Half-life of iron is? (A=59)
Type of reactants or product decides the nature of method adapted for finding
PMC Sample 1
Chemistry
Reaction Kinetics
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The change in concentration of reactants or products per unit time is
PMC Sample 3
Chemistry
Reaction Kinetics
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The unit of rate constant is same as that of rate of reaction in:
NUMS 2019 Reconduct
Chemistry
Reaction Kinetics
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H2SO4 has great affinity for water because:
NTS 2014
Chemistry
Acids, Bases and Salts
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Which of the following acids is used for Etching glass?
NTS 2011
Chemistry
Acids, Bases and Salts
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In a reversible reaction, catalyst lowers the action energy of the:
NUMS 2020
Chemistry
Reaction Kinetics
Chemical Equilibrium
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Blue litmus turns red in a solution of PH
NUMS 2014
Chemistry
Acids, Bases and Salts
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In general Photochemical reactions are of order
PMC Sample 1
Chemistry
Reaction Kinetics
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The unit of rate of reaction is:
NTS 2011
Chemistry
Reaction Kinetics
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A catalyst is a substance which:
NUMS 2017
Chemistry
Reaction Kinetics
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Reaction of Sodium with water is an example of
PMC Sample 3
Chemistry
Reaction Kinetics
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The influence of temperature on reaction rate is predicted by:
NUMS 2019 Reconduct
Chemistry
Reaction Kinetics
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Rate = K [N2O5] has _____ of reaction.
NTS 2013
Chemistry
Reaction Kinetics
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The chemical reaction in which reactions require high amount of activation energy are generally:
NTS 2014
Chemistry
Reaction Kinetics
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The rate of reaction is equal to the specific rate constant, when:
For a reaction 2A + 3B -> C
The rate law expression is given by rate = K [A]1[B]2. The order of the reaction with respect to A, B and overall order of reaction are:
NUMS 2015
Chemistry
Reaction Kinetics
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Which of the following oxides is amphoteric in character?
NUMS 2014
Chemistry
Acids, Bases and Salts
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What is the effect of catalyst in a reaction?
For which of the following order of the reaction, rate of reaction is inversely proportional to the concentration reaction?
PMC 2020
Chemistry
Reaction Kinetics
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If energy of the activated complex is close to energy of reactants, it means that the reaction is:
NUMS 2019 Reconduct
Chemistry
Reaction Kinetics
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