MDCAT Chemistry Chapter 9 MCQ Test With Answer for (Periods)

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MCQ's Test For MDCAT Chemistry Chapter 9 Period Online Test

Try The MCQ's Test For MDCAT Chemistry Chapter 9 Period Online Test

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MDCAT Chemistry Chapter 9 Period Online Test

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Question # 1

Among the following molecules, which one has coordinate covalent (dative) bond?

Question # 2

The ionization energy

Question # 3

Bonding in MgO is an example of

Question # 4

Covalent bonds are

Question # 5

Elements having high ionization potential values are

Question # 6

Octet rule is not allowed in the formation of

Question # 7

Energy of atom in compound is

Question # 8

Geometry of simple molecule with sp2 hybridization

Question # 9

A covalent bond may be

Question # 10

The ionization energy of hydrogen atom is

Question # 11

Bond will be covalent when electronegativity difference of bonded atom is

Question # 12

Which one of the following has zero dipole moment

Question # 13

Low IE is a symbol of

Question # 14

what is the exact value of angle in BF3

Question # 15

lonic bond is produced after complete transfer of

Question # 16

Elements of group IA and IIA are

Question # 17

A molecule which contains two lone pairs and two bond pairs of electrons in valence shell of central atom, geometrical shape of molecules will be

Question # 18

Which of the following molecule has zero dipole moment?

Question # 19

Polarity of a molecule is expressed in terms of

Question # 20

The elements for which the value of ionization energy is low can

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Prepare Complete Set Wise MDCAT Chemistry Chapter 9 Period Online Test MCQs Online With Answers


In this topic,Student should be able to:

a) Explain and use the terms: rate of reaction; activation energy; catalysis; rate equation; order of reaction; rate constant; half-life of a reaction; ratedetermining step.

b) Explain qualitatively, in terms of collisions, the effect of concentration changes on the rate of a reaction.

c) Explain that, in the presence of a catalyst, a reaction has a different mechanism, i.e. one of lower activation energy.

d) Describe enzymes as biological catalysts which may have specific activity.

e) Construct and use rate equations of the form Rate = k[Am[Bn with special emphasis on: i) Zero order reaction ii) 1 st order reaction iii) 2 nd order reaction

f) Show understanding that the half-life of a first-order reaction is independent of initial concentration and use the half-life to calculate order of reaction.

g) Calculate the rate constant from the given data. h) Name a suitable method for studying the rate of a reaction, from given information.

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Sr.# Question Answer
1 Mostly ionic compounds are produced between elements of group
A. IA and IIA
B. IB and VIB
C. IA. IIA and VII-A
D. IA and IB
2 Bonding in MgO is an example of
A. lonic bond
B. Polar bond
C. Covalent bond
D. Coordination covalent bond
3 A molecule that has polar bonds but is overall non - polar
A. IF
B. CCl4
C. PCI3
D. All
4 Carbon-Carbon double bond length in C3H6
A. 154 pm
B. 134 pm
C. 120 pm
D. 105 pm
5 The shielding effect of inner electron is responsible for
A. Having no effect on ionization energy
B. Decreasing ionization energy
C. Increasing ionization energy
D. Increasing electronegativity
6 In a group, the atomic radii from top to bottom
A. increase
B. decrease
C. don't change
D. show variable trend
7 pi-bond can be formed by sideways overlap of
A. s-orbital
B. d-orbital
C. p-orbital
D. sp orbital
8 Low IE is a symbol of
A. high electronegativity
B. small size
C. High electron affinity
D. Metallic character
9 What is true for a molecule with standard geometry
A. It lacks a Ip
B. It can't be a donor
C. It can be an acceptor
D. All
10 At compromise distance the forces dominating between atoms are
A. repulsive forces
B. attractive forces
C. Dipole induced dipole force
D. H-bonding
11 Among the following molecules, which one has coordinate covalent (dative) bond?
A. CCI4
B. CO2
C. CO
D. CH4
12 Energy of atom in compound is
A. Higher than individual atom
B. Lower than individual atom
C. equal to individual atom
D. Impossible to predict
13 The no. of Ip's on oxygen in CO are
A. 1
B. 3
C. 4
D. 2
14 The ionization energy
A. generally increases from left to right in a period
B. increases from top to bottom in a group
C. does not change in a period
D. does not change in a group
15 A covalent bond may be
A. 100% covalent
B. Partial ionic
C. 100% ionic
D. Both a and b
16 lonic bond is produced after complete transfer of
A. nucleus
B. neutrons
C. electrons
D. protons
17 Geometry of simple molecule with sp2 hybridization
A. Triangular planar
B. Trigonal
C. Square planner
D. Pyramidal
18 Elements having high ionization potential values are
A. metals
B. non- metal
C. liquids
D. solid
19 What is not true for NH4CI
A. It has ionic bond
B. It has covalent bond
C. It has coordinate bond
D. It has hydrogen bond

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