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

Under which condition CO has the maximum molar volume

Question # 2

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

Question # 3

An ideal gas expands according to PV=constant. On expansion, the temperature of gas

Question # 4

Density of a gas increases by

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

The motion imparted to the gas molecules by gravity is

Question # 9

The relationship between density and molar mass of a gas is

Question # 10

At absolute zero the molecules of hydrogen gas will have

Question # 11

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

Question # 12

Under which condition CO has the maximum molar volume.

Question # 13

The volume of a real gas

Question # 14

If a gas expands at constant temperature

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

The molecular speed Crms of gas is

Question # 19

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

Question # 20

The temperature of a gas is directly proportional to its

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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 Class Chemistry Chapter 3 Important MCQ's

Sr.# Question Answer
1 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
2 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
A. 2 atm
B. 1.6 atm
C. 5 atm
D. I atm
3 Charles's law is only obeyed at which temperature scale
A. Celsius
B. Kelvin
C. Fahrenheit
D. both A&B
4 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
5 An ideal gas expands according to PV=constant. On expansion, the temperature of gas
A. will rise
B. will drop
C. cannot be determined because the exteral pressure is not known
D. will remain same
6 .The number of moles in 2.24 dm3 of H2 gas at STP is:
A. 1
B. 0.1
C. 10
D. 0.01
7 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
8 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
9 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
10 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

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