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

One kilo calorie is equal to

Question # 2

Most of the reactions which give stable products are

Question # 3

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)

Question # 4

Total heat content of a system is called

Question # 5

The change in enthalpy when one mole of a substance is dissolved in a specified quantity of solvent at a given temperature is called

Question # 6

By convention, the standard heat of formation of all elements is assumed to be

Question # 7

Calorie is equivalent to

Question # 8

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

Question # 9

ΔH° represent the enthalpy change at

Question # 10

What is correct about heat of combustion

Question # 11

The value of ∆V being very small. The term P∆V can be neglected for process involving

Question # 12

Decomposition of H2O is

Question # 13

Born-Haber cycle is an application of

Question # 14

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

Question # 15

The enthalpy of formation of a compound is

Question # 16

What is not correct about ∆HF

Question # 17

The heat of reaction depends upon

Question # 18

Choose from the followings the correct statement about Born Haber cycle

Question # 19

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

Question # 20

The lattice energy of NaCl is

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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 ∆H=∆E is true for which of the following reaction
A. K+H2O----->KOH+H2
B. N2+3H2------>2NH3
C. AlCl3+3NaOH--->Al(OH)3+3 NaCl
D. 4Na + O2----->2Na2O
2 Enthalpy of neutralization of strong acids and strong bases have same values because
A. Neutralization leads to the formation of salt and water
B. Acids always give rise to H+ and bases always furnish OH-
C. Strong acids and bases are ionic substances
D. The net change involves the combination of H and OH ions to form water
3 Change in enthalpy (∆H) of a system can be calculated by
A. ∆H=∆E - PV
B. ΔH =ΔE +q
C. ∆H = ∆E - q
D. ∆Η = ΔΕ + P∆V
4 Decomposition of H2O is
A. Endothermic reaction
B. Nuclear reaction
C. Exothermic reaction
D. Zero nuclear reaction
5 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
6 Calorie is equivalent to
A. 0.4184J
B. 4.184J
C. 418.4J
D. 40.18J
7 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
8 One kilo calorie is equal to
A. 4.184J
B. 1000J
C. 4184J
D. 1kJ
9 Which of the following processes has always. ∆H=-ve
A. Formation of compound
B. Dilution of a solution
C. Dissolution of ionic compound
D. Combustion
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
A. Heat of reaction
B. Heat of formation
C. Heat of atomization
D. Heat of combustion

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  • faisal

    faisal

    19 Jun 2019

    mdcat

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