MDCAT Chemistry Chapter 7 MCQ Test With Answer (Chemical Equilibrium)

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MCQ's Test For MDCAT Chemistry Chapter 7 Chemical Equilibrium Online Test

Try The MCQ's Test For MDCAT Chemistry Chapter 7 Chemical Equilibrium Online Test

  • Total Questions20

  • Time Allowed20

MDCAT Chemistry Chapter 7 Chemical Equilibrium Online Test

00:00
Question # 1

∆H=∆E is true for which of the following reaction

Question # 2

If internal energy of the system is increased

Question # 3

Enthalpy of a system can be calculated by which of following relationship

Question # 4

Total heat content of a system is called

Question # 5

Neutralization of acid-base is

Question # 6

For an endothermic reaction, enthalpy of reactants

Question # 7

The enthalpies of all elements in their standard states are

Question # 8

Change in enthalpy (∆H) of a system can be calculated by

Question # 9

Enthalpy of neutralization (∆H°n) per mole of H2SO4/ Ba(OH)2 is

Question # 10

The change in enthalpy of a system when one mole of the substance is completely burnt in excess of air or oxygen is called

Question # 11

The heat of reaction depends upon

Question # 12

The enthalpy change for the reaction C2H2 + 5/2 O2 --------> 2CO2 + H2O is known as enthalpy of

Question # 13

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

Question # 14

Hess's law is analogous to

Question # 15

One Joule is equivalent to

Question # 16

If a reaction involves only solids and liquids, which of the following is true?

Question # 17

A state function which describes together the internal energy and product of pressure and volume is called

Question # 18

Calorie is equivalent to

Question # 19

The lattice energy of NaCl is

Question # 20

Which of the following processes has always. ∆H=-ve

Prepare Complete Set Wise MDCAT Chemistry Chapter 7 Chemical Equilibrium Online Test MCQs Online With Answers


Topic Test

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In this topic,Student should be able to :

a) Describe and explain redox processes in terms of electron transfer and/or of changes in oxidation number.

b) Define the terms: Standard electrode (redox) potential and Standard cell potential.

c) Describe the standard hydrogen electrode as reference electrode.

d) Describe methods used to measure the standard electrode potentials of metals or non-metals in contact with their ions in aqueous solution

e) Calculate a standard cell potential by combining two standard electrode potentials.

f) Use standard cell potentials to: i) Explain/deduce the direction of electron flow in the external circuit. ii) Predict the feasibility of a reaction.

g) Construct redox equations using the relevant half-equations.

h) State the possible advantages of developing the H2/O2 fuel cell

i) Predict and to identify the substance liberated during electrolysis from the state of electrolyte (molten or aqueous), position in the redox series (electrode potential) and concentration e.g. H2SO4(aq) and Na2SO4(aq).

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MCAT Chemistry Chapter 7 Important MCQ's

Sr.# Question Answer
1 Enthalpy of a reaction can be measured by
A. Glass calorimeter
B. Barometer
C. Manometer
D. Thermometer
2 Enthalpy of formation of one mole of ionic compound form gaseous ion under standard condition is called
A. Gibb's energy
B. Gibb's energy
C. Bond energy
D. Lattice energy
3 The net heat change in a chemical reaction is the same whether it is brought about in two or more different ways in one or several steps.it is known as
A. Henry's law
B. Hess's law
C. joule's law
D. Law of conservation of energy
4 The change in enthalpy of a system when one mole of the substance is completely burnt in excess of air or oxygen is called
A. Heat of reaction
B. Heat of formation
C. Heat of atomization
D. Heat of combustion
5 One Joule is equivalent to
A. 4.184 cal.
B. 0.4184cal.
C. 1/2 cal.
D. 1/4.184 cal
6 If a reaction involves only solids and liquids, which of the following is true?
A. ΔH = ΔE
B. ΔΗ =ΔΕ
C. ΔH>ΔΕ
D. AH =AE +nRT
7 If internal energy of the system is increased
A. Change in state of the system may occur
B. Temperature of the system may rise
C. Chemical reaction may take place
D. All of these
8 Enthalpy of a system can be calculated by which of following relationship
A. q=ΔΕ
B. q=m×S×∆T
C. q=pv
D. q=m×v×∆T
9 In order to determine ∆H (latt) of ionic compound which is correct relationship
A. ∆H latt. = ∆Hf - ∆Hx
B. ∆H latt. = ∆Ha + ∆Hv
C. ∆H latt. = ∆Hf + ∆Hx
D. ∆H latt. = ∆Hf - ∆H sol.
10 Decomposition of H2O is
A. Endothermic reaction
B. Nuclear reaction
C. Exothermic reaction
D. Zero nuclear reaction

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