PPSC Lecturer Chemistry Test 18 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.
Practice this test at least 5 times if you want to secure High Marks.
At the End of the Test you can see your Test score and Rating.
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Test Instructions:-
Test NameLecturer Chemistry
SubjectChemistry Test 18
Test TypeMCQs
Total Questions25
Total Time20 Minutes
Total Marks100
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You have 20 minutes to pass to the quiz.

You have 20 minutes to pass to the quiz.


PPSC Lecturer of Chemistry Practice Test 18

1 / 25

Which of the following will have the lowest boiling point?

2 / 25

Which of the following compounds will undergo an SN2 reaction most readily?

3 / 25

Which of the following statements concerning SN2 reactions of alkyl halides is not correct?

4 / 25

Predict the two most likely mechanisms for the reaction of 2-iodohexane with sodium ethoxide:

5 / 25

Which of the following correctly reflects relative stabilities of carbocations?

6 / 25

Which of the alkyl chlorides listed below undergoes dehydrohalogenation in the presence of a strong base to give 2-pentene as the only alkene product?

7 / 25

Which of the following is not correct concerning substitution and elimination reactions of alkyl halides?

8 / 25

Which of the following is the best nucleophile in water?

9 / 25

Which of the following factors has no effect on the rate of SN1 reactions?

10 / 25

Which of the following species is most reactive in a SN2 reaction?

11 / 25

How should CH3CHClCH2CH3 be classified?

12 / 25

Which is the most reactive alkyl halide in a SN1 reaction?

13 / 25

Which of the following halides is most reactive in an E2 reaction with sodium methoxide?

14 / 25

There are 8 isomers that have the molecular formula C5H11Br. How many of these are tertiary alkyl bromides?

15 / 25

Predict the two most likely mechanisms which occur when 2-iodohexane is heated in ethanol:

16 / 25

Which of the following best describes the carbon-chlorine bond of an alkyl chloride?

17 / 25

The Grignard reagent, CH3CH2MgBr, can be used to prepare:

18 / 25

Grignard reagents do not show any reaction with:

19 / 25

Which of the following statements is correct for a saturated alkyl halide?

20 / 25

Dehydrohalogenation of 2-bromobutane in the presence of a strong base proceeds via which of the following mechanistic pathways?

21 / 25

Which of the following is the best leaving group?

22 / 25

Which of the following halides is least reactive in an E2 reaction with sodium methoxide?

23 / 25

Which of the following is a secondary alkyl halide?

24 / 25

Which of the following is the rate law for SN1 mechanisms?

25 / 25

Which of the following is the strongest nucleophile in an aqueous solution?

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