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

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

Question # 2

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

Question # 3

The relationship between density and molar mass of a gas is

Question # 4

At higher temperature what is true for gases

Question # 5

The motion imparted to the gas molecules by gravity is

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

If a gas expands at constant temperature

Question # 12

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

Question # 13

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

Question # 14

Under which condition CO has the maximum molar volume

Question # 15

The temperature of a gas is directly proportional to its

Question # 16

According to kinetic theory of gases kinetic energy depends on

Question # 17

Acording to the kinetic theory of gases

Question # 18

Which one of the following statements is wrong for gases?

Question # 19

Under which condition CO has the maximum molar volume.

Question # 20

Which is not true in case of an ideal gas?

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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 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
2 Charles's law is only obeyed at which temperature scale
A. Celsius
B. Kelvin
C. Fahrenheit
D. both A&B
3 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
4 The relationship between density and molar mass of a gas is
A. Directly proportional
B. Inversly proportional
C. Straight line
D. Stoichiometric
5 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 P
D. Low T and low P
6 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
7 The molecular speed Crms of gas is
A. Independent of temperature
B. Proportional to the absolute temperature
C. Proportional to the square root of absolute temperature
D. Proportional to the square of absolute temperature
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 motion imparted to the gas molecules by gravity is
A. very small
B. very large
C. negligible
D. appreciable
10 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

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