PPSC Lecturer Chemistry Test 39 Online Preparation MCQs

Given below on this Website Online Free Taleem is free online MCQ’s test related to PPSC of Lecturer Chemistry. All the individuals who are going to appear in PPSC Lecturer of Chemistry written test can attempt these tests in order to prepare for it in best possible way. Our tests include all the important questions MCQs of Lecturer of PPSC Chemistry, all Past Papers of Lecturer of Chemistry PPSC  that have extremely high amount of chances for been included in the actual exam which make our test undoubtedly the best source of preparation.

Note:-

There will be 25 multiple choice question in the test.
Answer of the questions will change randomly each time you start this test.
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Test Instructions:-
Test Name Lecturer Chemistry
Subject Chemistry Test 39
Test Type MCQs
Total Questions 25
Total Time 20 Minutes
Total Marks 100
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You have 20 minutes to pass to the quiz.


PPSC LECTURER OF CHEMISTRY TEST NO. 39

1 / 25

Which of the following is not a correct statement about the electrophilic substitution mechanism of benzene?

2 / 25

Which of the following is not a correct statement concerning the Friedel- Crafts acylation of benzene?

3 / 25

Which of the following statements is incorrect about benzene?

4 / 25

Aromatic hydrocarbons are also called :

5 / 25

Aromatic molecules contain __________ π electrons.

6 / 25

Which of the following fractions of coal-tar distillation contains naphthalene?

7 / 25

Which of the following statements are false about benzene?

8 / 25

What purpose does FeCl3 serve in the electrophilic aromatic substitution reaction between chlorine and benzene?

9 / 25

What is the major organic product of the reaction between benzene and isobutyl chloride in the presence of AlCl3?

10 / 25

Which of the following statements about benzene is correct?

11 / 25

The carbon atoms in a benzene ring are :

12 / 25

Characteristic reactions of aromatic hydrocarbons are initiated by

13 / 25

Coal-tar is the main source of :

14 / 25

Which statement about the structure of benzene is not true?

15 / 25

What is the term used for isomers that are in rapid equilibrium?

16 / 25

Which of the following is aromatic?

17 / 25

For reactions of ethylbenzene, the ethyl group is considered :

18 / 25

Which of the following statements are correct concerning benzene?

19 / 25

Which of the following can be made by the action of CH3Cl on benzene in the presence of aluminium chloride?

20 / 25

The delocalized π system in benzene is formed by a cyclic overlap of 6 orbitals.

21 / 25

Which of the following fractions of coal-tar distillation contains benzene?

22 / 25

Phenol on distillation with Zinc dust gives

23 / 25

The C–C bond length in benzene is

24 / 25

Which of the following reagents will react with methyl group rather than the benzene ring in methylbenzene?

25 / 25

Toluene reacts with bromine in the presence of uv light to give

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