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

Which is not true in case of an ideal gas?

Question # 3

If a gas expands at constant temperature

Question # 4

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

Question # 5

Charles's law is only obeyed at which temperature scale

Question # 6

The pressure exerted by gas molecules is due to their

Question # 7

The mono atomic gases are

Question # 8

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

Question # 9

The motion imparted to the gas molecules by gravity is

Question # 10

The density of neon will be highest at

Question # 11

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

Question # 12

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

Question # 13

The relationship between density and molar mass of a gas is

Question # 14

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

Question # 15

The volume of a real gas

Question # 16

Which one of the following statements is wrong for gases?

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

Under which condition CO has the maximum molar volume.

Question # 20

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

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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 volume of gas depends upon the------- moleules
A. Size of
B. Space between
C. Molecular weight
D. both a and b
2 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
3 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
4 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
5 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
6 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 pressure
D. Low T and low P
7 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
8 The temperature of a gas is directly proportional to its
A. average translational kinetic energy
B. enthalpy
C. internal energy
D. hydration energy
9 Density of a gas increases by
A. increasing value of R
B. decreasing value of R
C. increasing T
D. decreasing T
10 The volume of a real gas
A. is constant
B. increases with T decrease
C. becomes zero at absolute zero
D. never becomes zero

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