Skip to content
Independent guidance for Pakistan's healthcare students
Student forum · Coming soonAggregate calculator
Medical AdmissionPAKISTAN
Practice MDCAT

LEARN AT YOUR OWN PACE

MDCAT Question Bank

Think through each question, then reveal the answer and explanation.

Take a practice test →

Use the MDCAT Question Bank to study by subject and try each question yourself.
Click Show Answer to check the correct choice, then take a practice test when you’re ready.

1009 available questions

Chemistry · Question 131

By which of the following way acetamide can be prepared?

  1. Hydrolysis of ethyl chloride
  2. Heating methyl cyanide
  3. Heading ammonium acetate
  4. Heading ethyl acetate
Show AnswerHide Answer

Correct answer: C

Heading ammonium acetate

Chemistry · Question 132

isopropyl benzene is also called

  1. Cumene
  2. Xylene
  3. Toluene
  4. Cresol
Show AnswerHide Answer

Correct answer: A

Cumene

Chemistry · Question 133

d block elements are also called as ______________?

  1. Race earth elements
  2. Outer transition elements
  3. Inner transition elements
  4. Typical transition elements
Show AnswerHide Answer

Correct answer: B

Outer transition elements

Chemistry · Question 134

The rate of diffusion of a gas having molar mass 32 as compared to H2 gas will be.

  1. 6 times
  2. 4 times
  3. one fourth
  4. one eighth
Show AnswerHide Answer

Correct answer: C

one fourth

Chemistry · Question 135

A system that can exchange or transfer both matter and energy with the surroundings is:

  1. Isolated system
  2. Closed system
  3. Open system
  4. Adiabatic system
Show AnswerHide Answer

Correct answer: C

Open system

Chemistry · Question 136

Aradius greater than its parent atom is called:

  1. Cationic radii
  2. Atomic radii
  3. Covalent radii
  4. Anionic radii
Show AnswerHide Answer

Correct answer: D

Anionic radii

Chemistry · Question 137

Covalent Character of hydrides decrease _________________?

  1. Down the Group
  2. Along period
  3. Along d-block
  4. All of these
Show AnswerHide Answer

Correct answer: A

Down the Group

Chemistry · Question 138

Which of the following compounds is most acidic?

  1. Water
  2. Ethanol
  3. Phenol
  4. Cyclohexanol
Show AnswerHide Answer

Correct answer: B

Ethanol

Chemistry · Question 139

Organic compounds in which tetravalency of carbon atom is satisfied are called as ______________?

  1. Saturated
  2. Unsaturated
  3. Alkenes
  4. Alkynes
Show AnswerHide Answer

Correct answer: A

Saturated

Chemistry · Question 140

Which alkyl halide give SN2 reactions?

  1. Secondary
  2. Primary
  3. Tertiary
  4. All of these
Show AnswerHide Answer

Correct answer: B

Primary