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

Under which condition CO has the maximum molar volume.

Question # 2

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

Question # 3

Under which condition CO has the maximum molar volume

Question # 4

The density of neon will be highest at

Question # 5

Acording to the kinetic theory of gases

Question # 6

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

Question # 7

The temperature of a gas is directly proportional to its

Question # 8

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

Question # 9

If volume of an ideal gas at 0°C 536cm3, what is volume at 1°C

Question # 10

Which is not true in case of an ideal gas?

Question # 11

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

Question # 12

An ideal gas, obeying Kinetic theory of gases cannot be liquified, because

Question # 13

If a gas expands at constant temperature

Question # 14

The molecular speed Crms of gas is

Question # 15

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

Question # 16

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

Question # 17

At constant volume, for a fixed number of moles of a gas the pressure of the gas increases with size of temperature due to

Question # 18

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

Question # 19

Density of a gas increases by

Question # 20

For an ideal gas, number of mole in terms of its pressure P, temperature T and gas constant is

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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 volume of given mass of gas is directly proportional to absolute temperature when pressure is kept constant this is called
A. Boyle's law
B. Charles's law
C. Graham's law
D. Dalton's law
2 The temperature of a gas is directly proportional to its
A. average translational kinetic energy
B. enthalpy
C. internal energy
D. hydration energy
3 For an ideal gas, number of mole in terms of its pressure P, temperature T and gas constant is
A. PT/R
B. PRT
C. PV/RT
D. RT/P
4 The motion imparted to the gas molecules by gravity is
A. very small
B. very large
C. negligible
D. appreciable
5 Which of the following is the correct equation to calculate relative molecular mass of a gas
A. M=mPRTV
B. M=mPR/VT
C. M=PV/mRT
D. M=mRT/PV
6 At higher temperature what is true for gases
A. pressure is decreased
B. volume is decreased
C. number of moles are decreased
D. KE is increased
7 Helium atom is two times heavier than a hydrogen molecule. At 298 K, the average kinetic energy of a helium atom is
A. same as that of a hydrogen molecule
B. half that of a hydrogen molecule
C. two times that of a hydrogen molecule
D. four times that of hydrogen molecule
8 An ideal gas, obeying Kinetic theory of gases cannot be liquified, because
A. its critical temperature is above 0°C
B. its molecules are relatively small in size
C. It solidifies before becoming a liquid
D. Forces acting between its molecules are negligible
9 If a gas expands at constant temperature
A. The pressure decreases
B. The Kinetic energy of the molecules remains the same
C. The kinetic energy of the molecules decreases
D. The number of molecules of the gas increase
10 Theoretically, the temperature at which volume of gas become equal to zero is called
A. Boiling point of water
B. Zero absolute
C. Zero Kelvin
D. both B and C

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