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

00:00
Question # 1

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

Question # 2

Theoretically, the temperature at which volume of gas become equal to zero is called

Question # 3

Under which condition CO has the maximum molar volume.

Question # 4

The temperature of a gas is directly proportional to its

Question # 5

Density of a gas increases by

Question # 6

The actual volume of gas molecules is considered negligible at following pressures

Question # 7

The volume of given mass of gas is directly proportional to absolute temperature when pressure is kept constant this is called

Question # 8

The motion imparted to the gas molecules by gravity is

Question # 9

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

Question # 10

What are the conditions under which the relation between volume (V) and number of moles (n) of gas is plotted? (Pressure; T-temperature)

Question # 11

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

Question # 12

Charles's law is only obeyed at which temperature scale

Question # 13

If increase in temperature and volume of an ideal gas is two times, then the initial pressure P changes to

Question # 14

Acording to the kinetic theory of gases

Question # 15

At higher temperature what is true for gases

Question # 16

The root mean square velocity of a gas is doubled when the temperature is

Question # 17

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

Question # 18

According to the general gas equation, density of an ideal gas depends upon

Question # 19

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

Question # 20

Which of the following is the correct equation to calculate relative molecular mass of a gas

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Prepare Complete Set Wise MDCAT Chemistry Chapter 3 Atomic Structure Online Test MCQs Online With Answers


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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 root mean square velocity of a gas is doubled when the temperature is
A. reduced to half.
B. reduced to one-fourth
C. increased four times
D. inereased two times
2 At higher temperature isotherm of Boyle's law moves away from both axis, is due to increase in
A. pressure
B. No. of moles
C. Volume
D. all of these
3 Which one of the following statements is wrong for gases?
A. gases do not have a definite shape and volume
B. volume of the gas is equal to volume of container confining the gas
C. confirmed gas exerts uniform pressure on the walls of its container in which it is enclosed
D.
mass of gas cannot be determined by weighing a container in which it is enclosed
4 If increase in temperature and volume of an ideal gas is two times, then the initial pressure P changes to
A. 4P
B. P
C. 2P
D. 3P
5 The relationship between density and molar mass of a gas is
A. Directly proportional
B. Inversly proportional
C. Straight line
D. Stoichiometric
6 Density of a gas increases by
A. increasing value of R
B. decreasing value of R
C. increasing T
D. decreasing T
7 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
8 Which type of motion is exhibited by gases?
A. Vibrational
B. Transitional
C. Rotational
D. All of them
9 Charles's law is only obeyed at which temperature scale
A. Celsius
B. Kelvin
C. Fahrenheit
D. both A&B
10 Which of the statement is applicable for both ideal and real gases molecules?
A. Have no forces of attraction
B. Collisions between the molecules is elastic
C. Molecules are in random movement
D. The actual volume of gas is negligible as compared to the volume of gas

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