MDCAT Chemistry Online Test

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  • Chapter NamePhysical Chemistry: Atomic Structure

MDCAT Chemistry Online Test

  • Total Questions60

  • Time Allowed50

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MDCAT Chemistry Online Test

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Question # 1

Total heat content of a system is called

Question # 2

Polymerisation of vinyl acetate is a type of:

Question # 3

As the number of carbon atoms increase the number of isomers also increase. The six carbon compound hexane has as many as:

Question # 4

Glucose forms a  polymer which is stored in liver the name of this polymer is:

Question # 5

Among the following, which one is nucleophile

Question # 6

Leather tanneries use big auantities of:

Question # 7

In nucleophilie substitution bimolecular reaction the order of reaction with respect to substrate

Question # 8

Hardness which can be removed by boiling is called

Question # 9

Transformation is a cyclic process in which used plactic is

Question # 10

Which gas is not a constituent of atmosphere?

Question # 11

A combination of glucose and fructose is called

Question # 12

Which of the following is an addition polymer

Question # 13

The transition temperature of KNO3, is

Question # 14

Amount of product formed increases with time, this statement is true for reactions-------with kinetics

Question # 15

The enthalpies of all elements in their standard states are

Question # 16

A crystal system in which all three angles and all three edges are different is called

Question # 17

The main pollutant of leather tanneries in the waste water is due to:

Question # 18

The protein component of enzyme ls called

Question # 19

The alcohol that does not form curbonyl compound on oxidation

Question # 20

Acetylide can give back ethyne upon treatment with

Question # 21

Which one of the following is more acidic

Question # 22

Eleven elements made part of earth mass:

Question # 23

Dehydrohalogenation of secondary butyI bromide will give

Question # 24

Which one is correct about conjugate acid-base concept?

Question # 25

In voltaic cell a saht bridge is used in order to

Question # 26

a hole used to dump the municipal wastes is called:

Question # 27

Polarity of a molecule is expressed in terms of

Question # 28

Helical structure of proteins is stabilized by

Question # 29

Spectrometry method is applicable if a reactant or a product absorbs radiation

Question # 30

Enzymes that catalyse the transfer of groups within the molecules are called:

Question # 31

Oils and fats belong to the class of

Question # 32

Active sulphonating agent during sulphonation of benzene is

Question # 33

The reagent used to distinguish between ethanol and propanal is

Question # 34

Primary structure of proteins refers to

Question # 35

Substances that render enzymes catalytically inactive are called

Question # 36

Agriculture consumes part of fresh water:

Question # 37

At present the number of cement factories is Pakistan are

Question # 38

The number of Cl- ions per unit cell of NaCl are

Question # 39

A system absorbs 100 kJ heat and performs 50 kJ work on the surroundings. The increase in internal energy of the system is

Question # 40

Coenzymes are the species which increase the activity of enzymes. They are chemically

Question # 41

Which one of the following groups is indicated when HCI is formed by reaction of ethanol with phosphorous pentachloride?

Question # 42

The isomerism in which the compounds differ with respect to functional group but have same molecular formula is called

Question # 43

C=O and C=C bonds are differentiated by

Question # 44

Alpha helix and beta pleated sheath are secondary structures of protein which are maintained by

Question # 45

One Joule is equivalent to

Question # 46

A molecule oilgosacharide on hydrolysis produces _____ molecules of monosacharide:

Question # 47

If increase in temperature and volume of an ideal gas is two times, then the initial pressure P changes to

Question # 48

Which one of the following does not act as pollutant

Question # 49

The Kw. of water at 25 C° is given by

Question # 50

Total number of valence electrons in CH4

Question # 51

The semi solid wastes in landfills is called:

Question # 52

Elimination unimolecular reactions involve

Question # 53

The crystal of diamond is

Question # 54

d-d transition cannot be shows by

Question # 55

Acetic acid is also named:

Question # 56

The compound used to distinguish the ethyne and ethene is

Question # 57

For N2: +3H2<--------> 2NH3, if Kc is 1 than value of Kp at 273K would be

Question # 58

The gas which is mainly produced in landfills from the waste is.

Question # 59

In FWFP  the phosphate fertilizers are produced at:

Question # 60

A compound that has a nucleophilic carbon?

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