Chemical Reaction

The reaction between oxygen and organic material is a/an _____________ reaction?

Byadmin February 20, 2019August 23, 2021

The reaction between oxygen and organic material is a/an _____________ reaction?

A. Exothermic
B. Endothermic
C. Biochemical
D. Photochemical

Chemical Reaction

The rate of the chemical reaction A → B doubles as the concentration of A i.e.., CA is doubled. If rate of reaction is proportional to CA n, then what is the value of n for this reaction ?

The rate of the chemical reaction A → B doubles as the concentration of A i.e.., CA is doubled. If rate of reaction is proportional to CA n, then what is the value of n for this reaction ?

A. 0
B. 0.5
C. 1
D. 2

Read More The rate of the chemical reaction A → B doubles as the concentration of A i.e.., CA is doubled. If rate of reaction is proportional to CA n, then what is the value of n for this reaction ?
Chemical Reaction

Knudsen diffusion is directly proportional to _____________________?

Knudsen diffusion is directly proportional to _____________________?

A. T
B. √T
C. 1/√T
D. T2

Read More Knudsen diffusion is directly proportional to _____________________?
Chemical Reaction

From among the following, choose one which is not an exothermic process ?

From among the following, choose one which is not an exothermic process ?

A. Methanol synthesis
B. Catalytic cracking
C. Ammonia synthesis
D. Oxidation of sulphur

Read More From among the following, choose one which is not an exothermic process ?
Chemical Reaction

Reaction rate equation for the bellow figure reaction, If S at is present in large excess, what is the order of this reaction ?

Reaction rate equation for the bellow figure reaction, If S at is present in large excess, what is the order of this reaction ?

A. Zero
B. One
C. Two
D. Three

Read More Reaction rate equation for the bellow figure reaction, If S at is present in large excess, what is the order of this reaction ?
Chemical Reaction

Rate of a chemical reaction is not affected by the____________________?

Rate of a chemical reaction is not affected by the____________________?

A. Catalyst
B. Temperature
C. Reactant’s concentration
D. Number of molecules of reactants taking part in the reaction

Read More Rate of a chemical reaction is not affected by the____________________?
Chemical Reaction

For the same residence time, which one will give the maximum conversion ?

For the same residence time, which one will give the maximum conversion ?

A. Single stirred tank (v = 5 litres)
B. Two stirred tank (each of 2.5 litres) in series
C. Stirred tank followed by tubular flow reactor (each of 2.5 litres)
D. Single tubular flow reactor (v = 5 litres)

Read More For the same residence time, which one will give the maximum conversion ?

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