MDCAT Chemistry Chapter 5 MCQ Test With Answer for (Chemical Energetics)

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MCQ's Test For MDCAT Chemistry Chapter 5 Chemical Energenitcs Online Test

Try The MCQ's Test For MDCAT Chemistry Chapter 5 Chemical Energenitcs Online Test

  • Total Questions20

  • Time Allowed20

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MDCAT Chemistry Chapter 5 Chemical Energenitcs Online Test

00:00
Question # 1

In diamond, which hybridization is there?

Question # 2

lonic solids are characterized by which one of the following properties

Question # 3

What is the co-ordination number of face centered cubic structure?

Question # 4

In diamond, the carbon atoms are arranged in a

Question # 5

Which among the following will show anisotropy?

Question # 6

Which attractive forces cause molecular solids to be formed?

Question # 7

The transition temperature of tin is

Question # 8

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

Question # 9

The most unsymmetrical one in crystal system is

Question # 10

Some of crystals are good conductors of heat and electricity, they may be

Question # 11

The molecules of CO2, in dry ice form the

Question # 12

lonic solids don't conduct the electrical current because

Question # 13

The crystals formed due to London forces of interaction are

Question # 14

The hexagonal closed packing is associated with

Question # 15

The electrical conductivity of the metals decreases with the increasing temperature. This is because

Question # 16

One of the following is a ionic solid. Which is that?

Question # 17

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

Question # 18

Which of the following solids does not have a covalent bond?

Question # 19

Hardness of diamond is attributed to the

Question # 20

The transition temperature of KNO3, is

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In this topic,Student should be able to:

a) Understand concept of energy changes during chemical reactions with examples of exothermic and endothermic reactions.

b) Explain and use the terms:

i) Enthalpy change of reaction and standard conditions, with particular reference to: formation; combustion; solution; neutralization and atomization.
ii) Bond energy (ΔH positive, i.e. bond breaking).
iii) Lattice energy (ΔH negative, i.e. gaseous ions to solid lattice).

c) Find heat of reactions/neutralization from experimental results using mathematical relationship i.e. ∆H=mc∆T

d) Explain, in qualitative terms, the effect of ionic charge and of ionic radius on the numerical magnitude of lattice energy

e) Apply Hess’s Law to construct simple energy cycles, and carry out calculations involving such cycles and relevant energy terms, with particular reference to:

i) Determining enthalpy changes that cannot be found by direct experiment, e.g. an enthalpy change of formation from enthalpy change of combustion.
ii) Born-Haber cycle of NaCl (including ionization energy and electron affinity).

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MCAT Chemistry Chapter 5 Important MCQ's

Sr.# Question Answer
1 One of the following is a ionic solid. Which is that?
A. Fe
B. KBr
C. Diamond
D. Cr
2 The transition temperature of tin is
A. 95.5 C°
B. 13.2 C°
C. 13.2°C
D. 128.5°
3 Which one is an isomorphic pair?
A. NaNO3, CaCO3,
B. NaF, MgO
C. K2SO4 ,K2Cr2O7
D. Zn, Cd
4 What is the co-ordination number of face centered cubic structure?
A. 12
B. 8
C. 6
D. 10
5 The Cl- ion present at the corner of the unit cell is NaCl crystal, contributes
A. 1/8 th
B. 1/4 th
C. 1/2 th
D. 1
6 The structure of sodium chloride is
A. simple cube
B. body centered cubic
C. face centered cubic
D. depends upon conditions
7 A crystal system in which all three angles and all three edges are different is called
A. triclinic
B. rhombohedral
C. cubic
D. hexagonal
8 LiF is a crystalline substance and has
A. ionic crystal
B. metallic crystal
C. covalent crystal
D. molecular crystal
9 Which impurity makes the shape of NaCl crystal needle like
A. MgSO4
B. urea
C. glucose
D. MgCO3
10 The crystal of diamond is
A. ionic
B. molecular
C. covalent
D. metallic

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