MDCAT Chemistry Chapter 5 online mcq test with answers for chapter 5 (Chemical Energetics)

If you are looking for the Chapter 5 MCQs of Chemistry, you are at the right portal. The candidates can get the MCQs by going through this platform. After completing the preparation for the entrance test, the candidates should solve the MCQs and prepare for the test efficiently. The students can get good marks in MDCAT by doing the maximum practice. The students often waste their time searching for the relevant preparation material for the MDCAT. So the students preparing for the MDCAT are invited to this platform to get the online MCQs of the related chapter easily. By solving the MCQs, the candidates can better understand all the topics. So make sure to solve the MCQs at least once before the test. The students can get the chapter-wise MCQs of chemistry from this portal.

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	LiF is a crystalline substance and has	A. ionic crystal B. metallic crystal C. covalent crystal D. molecular crystal
2	The electrical conductivity of the metals decreases with the increasing temperature. This is because	A. the number of free electrons decrease B. the bonds of the metal atoms become weak C. the to and fro motion of the metal ions decrease D. the increase of to and fro motion of the metal ions hinders the free movement of electrons
3	The existence of an element in more than one form is called	A. allotropy B. isomorphism C. polymorphism D. isotropy
4	Crystals can be classified into	A. 7 crystal systems B. 4 crystal systems C. 3 crystal systems D. 14 crystal systems
5	The examples of a hexagonal system is	A. sugar B. graphite(a=b not equal to c) {Alpha =beta. not equal to gamma} C. sulphur D. diamond
6	Which among the following will show anisotropy?	A. Wood B. Glass C. Paper D. BeCl2
7	Plastics are amorphous solids and	A. have sharp melting points B. undergo clean cleavage when cut with knife C. do not undergo clean cleavage D. possess orderly arrangement over long distances
8	The transition temperature of tin is	A. 95.5 C° B. 13.2 C° C. 13.2°C D. 128.5°
9	lonic solids don't conduct the electrical current because	A. ion do not have translatory motion B. free electrons are less C. the coordination number of the ion is very high D. strong covalent bonds are present in their structure
10	Hardness of diamond is attributed to the	A. strength of the ionic bonds in the structure B. three-dimensional network of covalent bonds C. three-dimensional network of covalent bonds D. absence of valence electrons in carbon atoms

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

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

MDCAT Chemistry Chapter 5 Chemical Energenitcs Online Test

All the metal shine when they are freshly cut The reason is

Plastics are amorphous solids and

Structure of CrO4(-2) is'

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

In most of the cases the molecular crystals are

in diamond a unit cell is tetrahedral and averall crystai structure is

The arrangement ABC, ABC .... is referred as

An element from the given below exists as discrete small molecules in the solid state. Which is that?

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

Which one is an isomorphic pair?

In diamond, the carbon atoms are arranged in a

The transition temperature of tin is

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

NaCI has face centered cubic structure. The Na ion at the face of the unit cell is shared by

Metallic bonds have been explained by many theories. Luis Pauling has proposed a theory called

In crystal of sodium chloride, a Cl-1 ion present at the corner of cube is shared between how many cubes?

The hexagonal closed packing is associated with

Amorphous means

Polymorphism is shown by AgNO3. Which one of the following options is true for AgNO3?

LiF is a crystalline substance and has

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MCAT Chemistry Chapter 5 Important MCQ's

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