MDCAT Chemistry Chapter 3 MCQ Test With Answer for (Atomic Structure)

In Chemistry, chapter 3 holds equal significance as the other chapters. The candidates planning to appear in the MDCAT should follow the syllabus. After completing the preparation, the students should solve the MCQs to analyze their preparation level and work on the weak areas. The online test is provided to facilitate the students so they can access them easily without wasting any time. The students who intend to appear in the MDCAT must take the maximum online test. It helps the students to perform well in the actual time, and in this way, they also learn about time management, which is a crucial part to consider. So save time and solve the online test at least once for better preparation and then appear in the MDCAT. To get updates about the MDCAT test, stay connected with us.

MCQ's Test For MDCAT Chemistry Chapter 3 Atomic Structure Online Test

Try The MCQ's Test For MDCAT Chemistry Chapter 3 Atomic Structure Online Test

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MDCAT Chemistry Chapter 3 Atomic Structure Online Test

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Question # 1

Which of the statement is applicable for both ideal and real gases molecules?

Question # 2

Density of a gas increases by

Question # 3

Which is not true in case of an ideal gas?

Question # 4

If a gas expands at constant temperature

Question # 5

At higher temperature isotherm of Boyle's law moves away from both axis, is due to increase in:

Question # 6

The volume of gas depends upon the------- moleules

Question # 7

The mono atomic gases are

Question # 8

Helium atom is two times heavier than a hydrogen molecule. At 298 K, the average kinetic energy of a helium atom is

Question # 9

If temperature is 73K and volume is 146 cm3 then calculate the value of K=V/T

Question # 10

The number of molecules in 22.4 dm3 of gas at 0°C and 1 atm are

Question # 11

.The number of moles in 2.24 dm3 of H2 gas at STP is:

Question # 12

The motion imparted to the gas molecules by gravity is

Question # 13

At higher temperature isotherm of Boyle's law moves away from both axis, is due to increase in

Question # 14

Which one of the following statements is wrong for gases?

Question # 15

Under which condition CO has the maximum molar volume

Question # 16

Charles's law is only obeyed at which temperature scale

Question # 17

One dm3 of H2 and O2: has different masses but no. of particles are

Question # 18

The density of neon will be highest at

Question # 19

Acording to the kinetic theory of gases

Question # 20

Which type of motion is exhibited by gases?

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In this topic,Student should be able to:

a) Identify and describe the proton, neutron and electron in terms of their relative charges and relative masses.

b) Discuss the behaviour of beams of protons, neutrons and electrons in electric fields.

c) Calculate the distribution of mass and charges within an atom from the given data.

d) Deduce the number of protons, neutrons and electrons present in both atoms and ions for a given proton and nucleon numbers/charge.

e) i) Describe the contribution of protons and neutrons to atomic nuclei in terms of proton number and nucleon number. ii) Distinguish between isotopes on the basis of different numbers of neutrons present.

f) Describe the number and relative energies of the s, p and d orbitals for the principal quantum numbers 1, 2 and 3 and also the 4s and 4p orbitals.

g) Describe the shapes of s, p and d-orbitals.

h) State the electronic configuration of atoms and ions given, the proton number/charge for period 1, 2, 3 and 4 (hydrogen to Krypton).

Explain:

i) Ionization energy.
ii) The factors influencing the ionization energies of elements.
iii) The trends in ionization energies across a Period and down a Group of the Periodic Table.

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MCAT Chemistry Chapter 3 Important MCQ's

Sr.# Question Answer
1 The density of neon will be highest at
A. STP
B. 0°C, 2 atm
C. 273°C, 1 atm
D. 273°C, 2 atm
2 At constant volume, for a fixed number of moles of a gas the pressure of the gas increases with size of temperature due to
A. increase in average molecular speed
B. increase in number of moles
C. increase in molecular attraction
D. decrease in the distance between the molecules
3 The volume of a real gas
A. is constant
B. increases with T decrease
C. becomes zero at absolute zero
D. never becomes zero
4 The temperature of a gas is directly proportional to its
A. average translational kinetic energy
B. enthalpy
C. internal energy
D. hydration energy
5 At absolute zero the molecules of hydrogen gas will have
A. Only translatioral motion
B. Only vibrational motion
C. Only rotational motion
D. All the motion are ceased
6 Under which condition CO has the maximum molar volume.
A. high T and P
B. Low T and High p
C. high T and low pressure
D. Low T and low P
7 The actual volume of gas molecules is considered negligible at following pressures
A. 2atm
B. 4atm
C. 6 atm
D. 8 atm
8 Which is not true in case of an ideal gas?
A. It cannot be converted into a liquid
B. There is no interaction between the molecules
C. All molecules of the gas move with same speed
D. At a given temperature P'V is proportional to the amount of the gas
9 The pressure exerted by gas molecules is due to their
A. collisions
B. densities
C. masses
D. kinetic energy
10 What are the conditions under which the relation between volume (V) and number of moles (n) of gas is plotted? (Pressure; T-temperature)
A. constant P and T
B. constant P and V
C. constant T and V
D. constant n and v

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