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

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

Question # 2

The molecular speed Crms of gas is

Question # 3

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

Question # 4

The density of neon will be highest at

Question # 5

The pressure exerted by gas molecules is due to their

Question # 6

The relationship between density and molar mass of a gas is

Question # 7

Density of a gas increases by

Question # 8

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

Question # 9

At higher temperature what is true for gases

Question # 10

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

Question # 11

Charles's law is only obeyed at which temperature scale

Question # 12

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

Question # 13

Which is not true in case of an ideal gas?

Question # 14

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

Question # 15

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

Question # 16

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

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

The pressure of gas at constant temperature in a container of 2dm3 is 10 atm what will be its final pressure if it is connected with 10 dm3 container

Question # 19

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

Question # 20

Which one of the following statements is wrong for 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 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
2 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
3 Gas is enclosed in a container of 20cm3 with the moving piston. According to kinetic theory of gases, what is the effect on freely moving molecules of the gas if temperature is increased from 20°C to 100C.
A. Colliding capability of molecule will become lower
B. Pressure will become one half
C. Temperature has no effect on freely moving molecules
D. Volume will be increased
4 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
5 If temperature is 73K and volume is 146 cm3 then calculate the value of K=V/T
A. 5
B. 4
C. 3
D. 2
6 If volume of an ideal gas at 0C° 536cm3, what is volume at 1°C
A. 373 cm3
B. 646 cm3
C. Becomes 0cm3
D. 746 cm3
7 If volume of an ideal gas at 0°C 536cm3, what is volume at 1°C
A. 373 cm3
B. 646 cm3
C. Becomes 0cm3
D. 746 cm3
8 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
9 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
10 According to kinetic theory of gases kinetic energy depends on
A. Temperature
B. Collision
C. Pressure
D. Atomic number

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