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

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MDCAT Chemistry Chapter 7 Chemical Equilibrium Online Test

00:00
Question # 1

Calorie is equivalent to

Question # 2

Born-Haber cycle is an application of

Question # 3

Hess's law is analogous to

Question # 4

The measurement of enthalpy change at standard conditions means that we should manage the measurement at

Question # 5

The heat of reaction depends upon

Question # 6

During an exothermic or endothermic reaction which one of the following formula is used to calculate the amount of heat evolved or absorbed

Question # 7

Enthalpy of a reaction can be measured by

Question # 8

One Joule is equivalent to

Question # 9

One kilo calorie is equal to

Question # 10

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

Question # 11

The enthalpy of formation of a compound is

Question # 12

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

Question # 13

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 # 14

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

Question # 15

ΔH° represent the enthalpy change at

Question # 16

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

Question # 17

For an endothermic reaction, enthalpy of reactants

Question # 18

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

Question # 19

Enthalpy of formation of one mole of ionic compound form gaseous ion under standard condition is called

Question # 20

NaOH+HCI- NaCI+ H2O. Enthalpy change in the above reaction is called

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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 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
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 What is not correct about ∆HF
A. It is always negative
B. Ìts value gives an idea about the relative stability of reactants and the products.
C. Its value can be greater or less than zero
D. Value depends upon nature of bonds
4 How much heat is absorbed by 100 g of water when its temperature decreases from 25°C to 5°C? (heat capacity is 4.2 J/gK)
A. 84,000J
B. 2000/4.2J
C. -2000/4.2j
D. -8400J
5 The enthalpy of formation of a compound is
A. Positive
B. Either positive or negative
C. Negative
D. None
6 One Joule is equivalent to
A. 4.184 cal.
B. 0.4184cal.
C. 1/2 cal.
D. 1/4.184 cal
7
By convention, the standard heat of formation of all elements is assumed to be
A. Zero
B. positive
C. Negative
D. Infinity
8 The lattice energy of NaCl is
A. 787 j/ mole
B. 790 kj/mol
C. 780 kJ/ mol
D. -787 kI / mole
9 A state function which describes together the internal energy and product of pressure and volume is called
A. Enthalpy
B. internal energy
C. Work
D. Kinetic energy
10 Calorie is equivalent to
A. 0.4184J
B. 4.184J
C. 418.4J
D. 40.18J

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  • faisal

    faisal

    19 Jun 2019

    mdcat

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