Practice Chemistry MDCAT MCQs

What is the MDCAT?

The Medical and Dental College Admission Test (MDCAT) is an entrance examination for aspiring medical students in Pakistan. The MDCAT exam is a standardized multiple-choice (MCQ) paper-based examination. To be able to get a good score in the MDCAT 2024, it is very important that students get ample MCQ practice for each subject.

What is the structure of the MDCAT exam?

Here is a breakdown of the MDCAT test pattern 2024 which includes percentages and number of MCQs for each of the five subjects tested in the MDCAT (Biology, Chemistry, Physics, English, and Logical Reasoning).

Chemistry MDCAT MCQs

The Chemistry section of the MDCAT exam is one that many students find challenging — there are 54 MDCAT Chemistry MCQs in the Chemistry section of the MDCAT, and it makes up 27% of the exam. According to the PMDC MDCAT syllabus for 2024, here are all the chapters that will be tested in the Chemistry section of the exam.

1. Introduction to Fundamental Concepts of Chemistry
2. Atomic Structure
3. Gases
4. Liquids
5. Solids
6. Chemical Equilibrium
7. Reaction Kinetics
8. Thermo-Chemistry and Energetics of Chemical Reactions
9. Electrochemistry
10. Chemical Bonding
11. S and P Block Elements
12. Transition Elements
13. Fundamental Principles of Organic Chemistry
14. Chemistry of Hydrocarbons
15. Alkyl Halides
16. Alcohols and Phenols
17. Aldehydes and ketones
18. Carboxylic acids
19. Macromolecules

Chemistry MDCAT MCQs are 70% recall questions and 30% application level questions. It is very important to get ample practice of Chemistry MDCAT MCQs, since this is a significant portion of the MDCAT exam.

You can find the detailed syllabus for all MDCAT subjects here: MDCAT PMDC Syllabus 2024

Free MDCAT Practice Test — Chemistry MDCAT MCQs

To help you prepare for MDCAT Chemistry MCQs, we have put together this free MDCAT Chemistry MCQs Online Test. You should attempt this test to assess where you currently stand in your preparation for MDCAT Chemistry, and what areas you need to improve to get a high score in your MDCAT 2024 exam.

1. While finding the relative atomic mass, which of the following standard is used to compare the atomic mass of chlorine (35.5 amu)?
   1. Neon-20
   2. Nucleon number
   3. Carbon-12
   4. Carbon-13
2. During stoichiometry calculations, which of the following laws must be followed?
   1. Law of conservation of mass
   2. Law of conservation of energy
   3. Avogadro's law
   4. Dalton's law
3. The efficiency of a chemical reaction can be expressed as:
   1. Theoretical yield
   2. Actual yield
   3. % yield
   4. Maximum yield
4. Generally the actual yield is:
   1. Greater than theoretical yield
   2. Smaller than theoretical yield
   3. Equal to theoretical yield
   4. Sometime greater and sometime lesser than the theoretical yield
5. Which of the following periodic properties has no unit?
   1. Electron Affinity
   2. Electronegativity
   3. Ionization Potential
   4. Hydration Energy
6. Flame test is not given for:
   1. Ca
   2. Ba
   3. Sr
   4. Mg
7. With increase in the value of principal quantum number, shape of orbitals remain same although their sizes and the energy ______.
   1. Decrease
   2. Remain the same
   3. Increase
   4. May or may not remain the same
8. Number of electrons in the outermost shell of chloride ion (CI-) is:
   1. 17
   2. 1
   3. 7
   4. 8
9. Water has maximum density at:
   1. 0°C
   2. 1°C
   3. -4°C
   4. 4°C
10. DNA molecule is double stranded, in which to chains of DNA are twisted around each other by
    1. Hydrogen bonds
    2. Covalent bonds
    3. Van der Waal's forces
    4. Dative bonds
11. Which one of the following hydrogen bond is stronger than others?
    1. N—H - - - N—H
    2. O—H - - - O—H
    3. F—H - - - F—H
    4. N—H - - - O—H
12. Steam causes severe burns than boiling water. It is due to
    1. Absence of hydrogen bonding
    2. High latent heat of vaporization
    3. Freely moving molecules
    4. Statement is incorrect
13. The product of the concentrations of each ion in saturated solution of a sparingly soluble salt at 298K raised to the power of their relative concentrations is:
    1. Кsp
    2. Kb
    3. Ka
    4. Kw
14. Precipitation occurs when the product of ionic concentration is?
    1. Greater than Ksp
    2. Less than Ksp
    3. Equal to Ksp
    4. Equal to unity
15. Ethanal reacts with HCN to form cyanohydrin. It is an example of
    1. Electrophilic substitution
    2. Nucleophilic addition
    3. Nucleophilic substitution
    4. Electrophilic addition
16. Hybridization of carbon in >C=O (Carbonyl) group is:
    1. sp
    2. sp2
    3. sp3
    4. dsp
17. Identification test for functional groups of organic compounds are associated with specific observations. Tollen's reagent is ammonical silver nitrate solution, which is used for the identification of a functional group X with an observation O. Identify X and O.
    1. X = Aldehyde O = red precipitate
    2. X= Ketone O = Silver mirror
    3. X = Aldehyde O = Silver mirror
    4. X = Ketone O = grey precipitate
18. A spontaneous process is:
    1. Unidirectional and irreversible
    2. Unidirectional and real
    3. Irreversible and real
    4. All of above
19. Reaction of water with quick lime result in the rise in the temperature of the system. Using the concentration change, indicate the nature of which reaction?
    1. Third order reaction
    2. Endothermic reaction
    3. Non spontaneous reaction
    4. Exothermic reaction
20. Which of the following enthalpy change is always exothermic?
    1. Enthalpy of formation
    2. Enthalpy of solution
    3. Enthalpy of atomization
    4. Enthalpy of combustion

These Chemistry MDCAT MCQs will help you evaluate your current preparation for the Chemistry component of the MDCAT exam — use the answer key below to see how well you have scored in this test.

Chemistry MDCAT MCQs Answer Key

Want to try even more Chemistry MDCAT MCQs? Click here!

To get you started, here are some MDCAT Chemistry MCQs online tests - Introduction to Fundamental Groups of Chemistry:

• Introduction of Fundamental Groups of Chemistry - Test 1
• Introduction of Fundamental Groups of Chemistry - Test 2
• Introduction of Fundamental Groups of Chemistry - Test 3

Now that the MDCAT exam is so close, students should ensure that their concepts for all subjects are crystal clear. If you want to revise any topic across the five MDCAT subjects, you can find detailed MDCAT recorded lectures here which will help you build an airtight understanding of every concept. You should also be focused on getting as much MDCAT MCQs practice as possible. By following all these strategies and having a comprehensive plan for your preparation, you will greatly increase your chances of acing the MDCAT 2024 exam.