Reaction Kinetics Test 5

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A test from chapter 11 i.e Reaction Kinetics of Chemistry part 1. This is Free online test for FSc and Entry test Preparation for UET, NUST, FAST, GIKI, PIEAS, NFC, Punjab University, UHS, other Engineering Universities and Medical Colleges.

1. The equation CHCl3 + Cl2 ® CCl4 + HCl has order

A) first
B) negative
C) fractional
D) second

2. When a reaction occurs in many steps then the slowest step is the

A) main step
B) enthalpy determining step
C) mechanism determining step
D) rate determining step

3. Spectrometry applied for rate determination when

A) reactants or product absorb U.V., I.R. light
B) reaction involve ion
C) reaction involve change in volume
D) none

4. Electrical conductivity method is applied for rate determination when

A) reactants and products involve absorption of U.V. or I.R. radiation
B) reaction involving ions
C) reaction which involve change in refractive indices
D) reactions which involve small volume change

5. Dilatometric method is used for rate determination when

A) reactions involving ions
B) reactions involving change of optical activity
C) reaction involving small volume change
D) none of above

6. Refractrometric method is used when

A) reactions involving absorption of I.R. or U.V
B) reactions involving change of refractive index
C) reactions involving ions
D) change of optical activity

7. Optical rotation method is used when

A) reaction involve ions
B) change of refractive indices
C) change of refractive indices
D) none

8. The substance which retard the rate of chemical reaction

A) catalyst
B) inhibitor
C) auto catalyst
D) enzyme

9. The enzyme used in the hydrolysis of urea is

A) urease
B) amylase
C) oxidase
D) reductase

10. In the hydrolysis of CH3COO2H5 the acid produce act as

A) inhibitor
B) catalyst
C) auto catalyst
D) none