MDCAT Chemistry Chapter 22 Preparation Online Test for Pakistani Students

This online test contains MCQs about following topics:.

a) Describe air pollutants. b) Understand the chemistry and cause of Acid Rain. c) Depletion of Ozone layer by chlorofluorocarbons (CFCs).

MDCAT Chemistry Ch 22 Test
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MCQ's Test For MDCAT Chemistry Chapter 22 Online Test

Try The MCQ's Test For MDCAT Chemistry Chapter 22 Online Test

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MDCAT Chemistry Chapter 22 Online Test

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Question # 1

Which one of the following compounds act as catalyst when alcohols react with carboxylic acids.

Question # 2

Which of the following acts as a nucleophile in the reaction of alkyl halide with alcoholic aqueous ammonia?

Question # 3

The dilute solution of ___________ is called vinegar.

Question # 4

Butane molecule can have max no of isomers.

Question # 5

In period 1 and period 3 maximum melting point shown by elements.

Question # 6

Which is the structure of polyvinyl chloride?

Question # 7

Gas is enclosed in a container of 20 cm3 with the moving piston. According to kinetic theory of gases, what will be the effect on freely moving molecules of the gas if temperature is increased from 20 oC in 100 oC?

Question # 8

3.0 mole of calcium will contained________ g of calcium.

Question # 9

Which one of the following compounds is known as tertiary alcohol?

Question # 10

Nylon -6,6 also called

Question # 11

Which product is formed by teh reaction of carboxylic acid with alcohol?

Question # 12

The essential property of a fertilizer is that it should be.

Question # 13

Which of the following reagents is used to distinguish between aldehydes and ketones.?

Question # 14

While finding the relative atomic mass, which of the following standard is used to compare the atomic mass of chlorine .

Question # 15

Which of these pollutants is produced by burning of coal and causes acid rain

Question # 16

The potential difference of an electrochemical cell is measured by

Question # 17

The catalyst used for the manufacture of H2SO4 by contact process is with bromine?

Question # 18

Which of the following molecule has largest number of shared pair of electrons?

Question # 19

Which of the following acts as a electrocphile in the electrphilic substitution of benzene.with bromine.?

Question # 20

Nitrogen is present in air as a major constituent it is an inactive gas in comparison with oxygen which is the next major constituent of air Nonreactive nature of nitrogen is due to the reason.

Question # 21

Reaction mechanism of alkanes with halogens is known as

Question # 22

Which is the correct electronic configuration of chromium.

Question # 23

Which one the following is the structure of Teflon?

Question # 24

Liquid in the container have temperature 70 C. What will be the temperature in Kelvin Scale?

Question # 25

Alcohol in which carbon atom bonded to OH group is further attached with three alkyl group is .

Question # 26

Ligands having two lone pair of electrons for donation to the central transition metal ion are known as.

Question # 27

Relation of water with quick lime result in the rise in the temperature of the system using the concept of energy change, indicate the nature of the reaction?

Question # 28

Which one will be act as a strong acid.

Question # 29

Halogen are being used as fire extinguisher, mild antiseptic, CFCs and many other organic chemicals. Which of the following halogen is used to kill the bacteria in drinking water.

Question # 30

The species which are produced by electrolytic bond breaking and can act as electron pair donors are known as.

Question # 31

Which mechanism of reaction is shown by carbonyl compounds?

Question # 32

Which one of the following enthalpy change ins always exothermic?

Question # 33

Which compound is obtained by the elimination of bromopropane?

Question # 34

Alcohol in which carbon atom bonded to OH group is further attached with three alkyl group is

Question # 35

Select one which is alcohol

Question # 36

Which option shows all the molecule with bond angle 109.5o.

Question # 37

Down the group acid base behavior of metallic oxides of group 2 elements changes to .

Question # 38

Electron affinity of the atom is the energy released when

Question # 39

Halogen is a halo derivative of

Question # 40

Which of the following would react with ozone in the atmosphere?

Question # 41

According to Lowry-bronsted acid and bass concept, H2O is

Question # 42


The standard electrode potential of hydrogen is arbitrarily taken at 298 K is

Question # 43

The shape of [Co(NH3)6]3+ complex is.

Question # 44

Which compound will be produced by the oxidation of ethanol by acidified K2Cr2O7?

Question # 45

What is teh order of increasing reactivity of alkyl halides?

Question # 46

Why is it necessary to distill aldehyde formed from oxidation of primary alcohol through acidified potassium dichromate (VI) solution or acidified sodium dichromate (VI) solution.

Question # 47

Which of following compound is solid and room temperature?

Question # 48

Percentage of nitrogen by volume in air is

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