ECAT Pre Engineering Chemistry Chapter 11 MCQ Test With Answer

Top Scorers Of ECAT Chemistry Chapter 11 Reaction Kinetics MCQ`s Test

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Abubakar basra 02 - Mar - 2024 05 Min 25 Sec 120/120
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Tanzeel Ur Rehman 29 - May - 2024 06 Min 39 Sec 115/120
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M Umer Arain 10 - Nov - 2024 00 Min 12 Sec 105/120
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Unaiza Usman 23 - Feb - 2024 04 Min 37 Sec 100/120
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Huzaifa Asim 28 - May - 2024 01 Min 53 Sec 95/120
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GOVT. SUFFA EDUCATION CENTER GIRLS MURIDKE 30 - May - 2024 05 Min 44 Sec 90/120
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Haseeb Ahmed 25 - Feb - 2024 10 Min 22 Sec 85/120
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Computer mail 31 - Mar - 2026 07 Min 26 Sec 84/120
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Bilawal Amjad 05 - Mar - 2024 23 Min 27 Sec 80/120
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Maryam Fatima 19 - Mar - 2024 05 Min 45 Sec 75/120
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Mustaqeem 28 - Feb - 2024 11 Min 57 Sec 75/120
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Tamshi Sohail 22 - Apr - 2024 20 Min 02 Sec 75/120
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Shazi Ansari 06 - Jun - 2024 01 Min 59 Sec 70/120
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Muntasir Khokhar 21 - May - 2024 06 Min 02 Sec 70/120
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uzma majeed 11 - Mar - 2024 06 Min 47 Sec 65/120

ECAT Chemistry Chapter 11 Important MCQ's

Sr.#	Question	Answer
1	The actual number of atoms or molecules taking part in rate determining step is	A. Rate of reaction B. Velocity of reaction C. Order of reaction D. Molecularly
2	The effective activity of a metal catalyst is increased if it is in	A. Solid form B. Liquid state C. Gaseous state D. Finely divided form
3	Dilatometer method is useful for the reaction that involve :	A. Small volume changes in solutions B. Change in infractive indices C. Where reactants absorb U.V, visible or infrared radiation
4		A. 2 B. 3 C. 4 D. 9
5	Which of the following factors does not influenced the rate of reaction	A. Concentration of the reaction B. Nature of the reactants C. Molecularity of the reaction D. Temperature
6	A catalyst is a substance which increase the rate of a chemical reaction, but remains unchanged at the end of reaction, nut remains unchanged at the end of reaction, because	A. It increases the temperature B. It increase the surface area C. It increases the rate constant D. It decrease the energy energy of activation
7		A. Measuring pH B. Measuring density C. Titration against standard NaOH D. Titration against standard KMnO₄solution
8	The number of atoms or molecules whose concentrations determine the rate of the reaction is called	A. Molecularity B. Order C. Rate of reaction D. Rate constant
9	In the reaction of oxalic acid with KMnO₄and H₂SO₄is slow at the beginning but after sometimes the reaction becomes faster due to	A. Formation of MnSO₄which acts as 'Auto catalyst B. Formation of CO₂which acts as 'Auto catalyst C. Formation of K₂SO₄which acts as 'Auto catalyst D. Evolution of O₂gas which acts as 'Auto catalyst
10		A. First order B. Pseudo first order C. Second order D. Zero order

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ECAT Pre Engineering Chemistry Chapter 11 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 11 Reaction Kinetics

ECAT Chemistry Chapter 11 Reaction Kinetics

Complex protein molecules which catalyses the organic reactions in the living cells are called

Half life period of a reaction is inversely proportion to the initial concentration of the reactant, then order of reaction is

The reaction rate is expressed in the units of

The rate of reaction determined at a given time is called

Which statement is true about order of reaction :

Half life period of N2O5is 24 minutes and it remains same where we increase or decrease its initial concentration, then reactions

In exothermic reaction decrease in potential energy of the products will result in

For effective collisions the molecules slow down before collision and their kinetic energy decreases which results in increase in their

The factor which effect the rate of reaction

The reaction rate is expressed in the units of

Platinum is poisoned by

Decreases om concentration of reactant is denoted by

With the progressive of the reaction the slope of the curve between concentration of product and time

For a chemical reaction to take place the particles must have sufficient energy for the effective collisions, the energy is called

In the hydrolysis of CH3COOC2H5the acid produced is

The number of atoms or molecules whose concentrations determine the rate of the reaction is called

Rate of chemical reaction depends upon :

Which of the following factors does not influenced the rate of reaction

When we perform the same reaction by taking two different initial concentrations of a reactant for a second order reaction then

Homogenous catalysis is that in which catalyst and reactants are in same phase. Which one of the following reaction is a homogenous catalysis

Refrectrometric method is used when

It is common observation that rates of chemical reactions differ :

The effective activity of a metal catalyst is increased if it is in

Hydrogenation of vegetable oils is accelerated by Ni catalyst. The catalytic activity of Bi is increased by a promoter of activator which is

The experimental relationship between a reaction rate and the concentration of reactants is known as

In an experiment the concentration of a reactant 'A' is doubled the rate increases four times. If concentration in tripled, then rate increases nint times. Thus the rate is proportional to ______ of concentration of 'A'

In the rate equation when the concentration of reactants are unity, then rate is equal to

Which of the following is not affected by light

The rate determining step is the :

If the rate of decay of radioactive isotope decreases from 200 cpm to 25 cpm after 24 hours, what is its half life :

Prepare Complete Set Wise ECAT Chemistry Chapter 11 Reaction Kinetics MCQs Online With Answers

Set 1

Set 2

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Topic Test

Top Scorers Of ECAT Chemistry Chapter 11 Reaction Kinetics MCQ`s Test

ECAT Chemistry Chapter 11 Important MCQ's

Test Questions

Half life period of N₂O₅is 24 minutes and it remains same where we increase or decrease its initial concentration, then reactions

In the hydrolysis of CH₃COOC₂H₅the acid produced is