MDCAT Preperation

NMDCAT Preparation Chemistry Chapter # 5

NMDCAT Practice Test Chapter no 5

Attempt your practice test and evaluate the preparation level. This Chapter includes Thermochemistry & Energetics of Chemical Reaction + Electrochemistry

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Dear Students 25 minutes are given to solve 25 MCQs.

Your result will be displayed at the end of the quiz.


Created by Umair Ali khan
NMDCAT Chemistry MCQs Practice test

NMDCAT Chemistry Chapter 5 Practice Test

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1) Which of the following value of standard reduction potential suggest that the rate of oxidation is equal to the rate of reduction

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2) If 8g of methane is burned in excess of oxygen then the standard enthalpy of combustion is

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3) Consider the following reaction
MnO2 + HCl → MnCl2 + H2O + Cl2
Which atom undergoes a decrease in oxidation number?

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4) The E°red of an element can be calculated by comparing it with

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5) Which of the following is a list of metals in order from strongest to weakest reduction agents?

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6) Solutions containing chlorate (I) ions are used as household bleaches and disinfectants. These solutions decompose on heating as shown;
3ClO- → ClO3- + 2Cl-
Which of the following ion will have the highest oxidation state

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7) The born-Haber cycle is used to determine the lattice energy of

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8) Which is used to measure the enthalpy of combustion?

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9) The net heat change in a chemical reaction is the same whether it is brought in two or more different ways in one or several steps. It is known as

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10) Which of the following is an incorrect statement about electrolytic cell?

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11) In an exothermic reaction, the heat content of the

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12) In an acidic medium, moles of H2O and H+ are added respectively for the given reaction are
10 Cl- + 2MnO4- → 2 Mn 2+ + 5 Cl2

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13) C2O42- → 2CO2 + X e-
The ‘X’ electrons in the above equation are

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14) Which of the following have high reduction potential than hydrogen

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15) The system becomes more stable if it

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16) The amount of heat required to convert one mole of a solid directly into its vapour state at STP is called as

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17) O2(g) + 2H2O (l) + X e- → 4OH-
The “X” electrons in the above equation are

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18) The condition for standard enthalpy change is

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19) Work may be defined in terms of pressure-volume as

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20) The dissolution of ammonium chloride in water is a/an

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21) Which of the following is incorrect about the enthalpy of neutralization?

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22) The reaction proceeds through the evolution of heat

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23) If the enthalpy of products is more than reactants, the value of ∆H is denoted by

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24) In a reaction, the oxidation number of Cu decreases by 2. This indicates that Cu is

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25) During balancing of redox equation by oxidation number method the ‘O’ and ‘H’ atoms are balanced by

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