ECAT Pre Engineering MCQ Test With Answer for Chemistry Full Book

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ECAT a pre-requisite for getting admission in medical institutes and universities is a multiple choice questions based test with a total of 100 MCQs out of which 30 MCQs will be included from Chemistry section as per the test structure approved by UET.

ECAT Chemistry MCQ's Test For Full Book

Try The ECAT Chemistry MCQ's Test For Full Book

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ECAT Chemistry MCQ's Test For Full Book

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Question # 1

Activation energy is the difference of energy between the energy of the reactant and

Question # 2

A colourless liquid, at room temperature reacts with soda lime to form sodium salt of carboxylic acid and ammonia gas. The liquids is

Question # 3

The elements in which d or f-orbitals are incomplete are called

Question # 4

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

Question # 5

The oxidation number of each element of group ll-A is

Question # 6

Value of rate constant k is specific for a reaction, and varies from reaction to reaction. The value of k of a reaction changes with

Question # 7

5-d series is in the period :

Question # 8

Hybridized in oxygen is:

Question # 9

The chemical reactivity of glass is reduced by the use of

Question # 10

The apex angle of the folded filter paper is slightly greater is termed as:

Question # 11

Atmosphere thickness is (in km) around the earth:

Question # 12

Formic acid is obtained when

Question # 13

When alkyl is treated with chlorine in the presence of sunlight

Question # 14

The majority of reactions which give stable products are:

Question # 15

The Mn3+has ______ color

Question # 16

Use of ethanol as:

Question # 17

The reaction of acetaldehyde with HCN followed by hydrolysis gives a product which exhibits

Question # 18

Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly

Question # 19

Saturated solution of a solid is prepared at a constant temperature. 100 cm3of this saturated solution is evaporated in a china dish. The mass of the residue is called

Question # 20

The concentration of reactants is increased by x, then equilibrium constant K becomes

Question # 21

DDT is

Question # 22

Hydrolysis of an ester gives a carboxylic acid which on Kolbe's electrolysis yields ethane. the easter is

Question # 23

Acetylene when treated with 10% H2SO4in the presence of HgSO4adds one molecule of water to form

Question # 24

Sodium belongs to block of periodic table:

Question # 25

All the following decompose easily on heating to give oxygen except

Question # 26

The principle quantum number describes

Question # 27

Which has sweetish taste?

Question # 28

Williamson's synthesis is used to prepare

Question # 29

Simplest aromatic compound is

Question # 30

CH3CH2COOH is also named as:

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Here is List Of Chapter Wise Tests

Ch. # Test Name MCQs Available PDF File Launch Test
1 ECAT Chemistry Chapter 1 Basic Concepts 109 Download PDF Launch Test
2 ECAT Chemistry Chapter 2 Experimental Techniques in Chemistry 58 Download PDF Launch Test
3 ECAT Chemistry Chapter 3 Gases 66 Download PDF Launch Test
4 ECAT Chemistry Chapter 4 Liquids & Solids 60 Download PDF Launch Test
5 ECAT Chemistry Chapter 5 Atomic Structure 166 Download PDF Launch Test
6 ECAT Chemistry Chapter 6 Chemical Bonding 116 Download PDF Launch Test
7 ECAT Chemistry Chapter 7 Thermo Chemistry 55 Download PDF Launch Test
8 ECAT Chemistry Chapter 8 Chemical Equilibrium 159 Download PDF Launch Test
9 ECAT Chemistry Chapter 9 Solutions 164 Download PDF Launch Test
10 ECAT Chemistry Chapter 10 Electrochemistry 162 Download PDF Launch Test
11 ECAT Chemistry Chapter 11 Reaction Kinetics 112 Download PDF Launch Test
12 ECAT Chemistry Chapter 12 Periodic Classification of Elements and Periodicity 35 Download PDF Launch Test
13 ECAT Chemistry Chapter 13 S-Block Elements 51 Download PDF Launch Test
14 ECAT Chemistry Chapter 14 Group IIIA & IVA Elements 170 Download PDF Launch Test
15 ECAT Chemistry Chapter 15 Group IV-A and VI-A Elements 58 Download PDF Launch Test
16 ECAT Chemistry Chapter 16 The Halogens and The Noble Gases 64 Download PDF Launch Test
17 ECAT Chemistry Chapter 17 Transition Elements 160 Download PDF Launch Test
18 ECAT Chemistry Chapter 18 Fundamental Principles of Organic Chemistry 158 Download PDF Launch Test
19 ECAT Chemistry Chapter 19 Aliphatic Hydrocarbons 202 Download PDF Launch Test
20 ECAT Chemistry Chapter 20 Aromatic Hydrocarbons 61 Download PDF Launch Test
21 ECAT Chemistry Chapter 21 Alkyl Halides 165 Download PDF Launch Test
22 ECAT Chemistry Chapter 22 Alcohols, Phenols and Ethers 159 Download PDF Launch Test
23 ECAT Chemistry Chapter 23 Aldehydes and Ketones 140 Download PDF Launch Test
24 ECAT Chemistry Chapter 24 Carboxylic Acid Online Test 174 Download PDF Launch Test
25 ECAT Chemistry Chapter 25 Macromolecules 167 Download PDF Launch Test
26 ECAT Chemistry Chapter 26 Common Chemical Industries in Pakistan 30 Download PDF Launch Test
27 ECAT Chemistry Chapter 27 Environmental Chemistry 118 Download PDF Launch Test
0 109 Download PDF Launch Test
0 131 Download PDF Launch Test
0 31 Download PDF Launch Test
0 31 Download PDF Launch Test
0 30 Download PDF Launch Test
0 76 Download PDF Launch Test
0 26 Download PDF Launch Test
0 29 Download PDF Launch Test

Top Scorers of ECAT Chemistry MCQ's Test For Full Book

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  • A
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Sr.# Question Answer
1 Tetrahedral lead added to petrol act as
A. Auto catalyst
B. Inhibitor
C. Activator
D. All of these
2 Aldehydes give reactions :
A. Oxidation and reduction
B. Base-catalysed nucleophilic
C. Acid catalysed nucleophilic
D. All of these
3 Four d-orbitals contain four lobes while fifth contains only two lobes the orbital is
A. dxy
B. dxz
C. dz2
D. dx2- y2
4 Neutron was discovered by:
A. Chadwick.
B. Bohr.
C. Rutherford.
D. Plank.
5 Transition elements have valence electrons in
A. s-orbital
B. p-orbital
C. d-orbital
D. f-orbital
6
Question Image
A. Shift reaction toward forward direction
B. Shift reaction backward
C. Lower the value of Kc
D. No change in reaction
7 By simply reacting Grignand's reagent with water we get
A. An alkane
B. Higher alkane
C. An alkene
D. An alkyne
8 3.01 x 1022Ag+ions is present in
A. 85 grams AgNO3
B. 0.85 g AgNO3
C. 8.5 g AgNO3
D. 18.5 g AgNO3
9 Which heavy metals do not have any safe limits
A. As
B. Hg
C. Cr
D. All of these
10 With increasing principle quantum number, the energy difference between adjacent energy levels in H atom
A. Decreases
B. Increases
C. Remains constant
D. Decreases for low value of Z and increase for higher value of Z
11 When alcohol reacts with concentreated H2SO4intermediate compound formed as
A. carbonium ion
B. alkoxy ion
C. alkyl hydrogen sulphate
D. non of these
12
Question Image
A. 1
B. 10
C. 5
D. 0.33
13 The strongest forces are
A. Debye forces
B. London dispersion forces
C. Dipole-dipole attraction
D. Hydrogen
14 The bond angle depends upon the
A. Types of bonds
B. Number of bonds
C. Non-bonding electron pairs
D. All of the above
15 The standard enthalpy change in the formation of 1 mole of a compound from its elements in their standard physical states is
A. Enthalpy of formation
B. Enthalpy of atomization
C. Enthalpy of neutralization
D. Internal energy change
16 Hydrolytic reaction of fats by causic soda is known as
A. Acetylation
B. Carboxylation
C. Esterification
D. Saponification
17 The freezing mixture used in ice cream machine consists of ice and
A. NaCI
B. KCI
C. MgCI2
D. NaNO3
18 High purity copper metal is obtained by
A. Carbon reduction
B. Hydrogen reduction
C. Electrolytic reduction
D. Thermite reduction
19 Homogenous catalysis is that in which catalyst and reactants are in same phase. Which one of the following reaction is a homogenous catalysis
A. Choice 1
B. Choice 2
C. Choice 3
D. Choice 4
20 The oxidation number of chromium in K2Cr2O7is
A. 14
B. 12
C. 6
D. None of these
21 Azeotropic mixture of HCl and water has
A. 48% HCl
B. 22.2% HCl
C. 36% HCl
D. 20.2% HCl
22 Benzene gives reactions generally:
A. Electropholic subsitution
B. addition
C. synthesis
D. addition and electropholic subsitution
23 Macromolecules or polymers are large molecules built up from small molecules called monomers. This hypothesis put forward by
A. Schrodixger
B. Standinger
C. Lewis
D. Newton
24 Aldelydes are the oxidation product of
A. P-alcohols
B. s-alcohols
C. ter-alcohols
D. carboxylic acids
25 Which of the following geometry is associated with the compound in which the central atom assumes sp3d hybridization?
A. Planar
B. Pyramidal
C. Angular
D. Trigonal bipyramidal
26 Which one of the following compounds does not have the empirical formula CH2O?
A. Ethanoic acid, CH3CO2H
B. Ethanol, CH3CH2OH
C. Glucose, C6H12O6
D. Methanal, HCHO
27 When ammonia is heated with cupric oxide, a molecule of ammonia will
A. Gain 3 electrons
B. Lose 3 electrons
C. Gain 2 electrons
D. Lose 2 electrons
28 The OH group present in acids may be replaced by CI atom on treatment with
A. PCI5
B. SOCI2
C. Both of them
D. None of the above
29 The process in which one s and two p orbitals mix up with each other is called
A. Sp-hybridization
B. Sp2-hybridization
C. Sp3-hybridization
D. Dsp2-hybridization
30 Hydrocarbons contain
A. C and S only
B. C and H only
C. C, H, and O only
D. C, H, O and N only

Syllabus recommended by UET for Chemistry subject is as under: Part 1 Basic Concepts, Experimental Techniques in Chemistry, Gases, Liquid and Solids, Atomic Structure, Chemical Bonding, Thermo chemistry, Chemical Equilibrium, Solutions, Electrochemistry, Reaction Kinetics B. Part 2 Periodic Classification of Elements and Periodicity, S-Block Elements, Group III-A and Group VI-A Elements, Group IV-A and Group VI-A Elements The Halogens and the Noble Gases, Transition Elements, Fundamental Principles of Organic Chemistry, Aliphatic Hydrocarbons, Aromatic Hydrocarbons, Alkyl Halides, Alcohols, Phenols and Ethers, Aldehydes and Ketones, Carboxylic Acids, Macromolecules, Common Chemical Industries in Pakistan Environmental Chemistry

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