PPSC Lecturer Chemistry Test 27 Online Preparation MCQs

Lecturer Chemistry MCQs / , , , , , ,

iven 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 27
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. 27

1 / 25

Ethers are kept in brown bottles because

2 / 25

Ethers react with cold concentrated H2SO4 to form

3 / 25

Ethers are stored in brown bottles. This is because on exposure to air and light ethers are converted to

4 / 25

Which of the following is not a property of thiols (RSH)?

5 / 25

Acid-catalyzed hydrolysis of ethylene oxide yields

6 / 25

Which of the following would have the highest boiling point?

7 / 25

When dipentyl ether is treated with excess HI, through what type of mechanism(s) does the major product result?

8 / 25

The compound with the lowest boiling point is

9 / 25

Which of the following would have the highest boiling point?

10 / 25

Which of the following statements is false?

11 / 25

Diethyl ether reacts with excess of hot concentrated HI to form

12 / 25

Ethylene oxide reacts with ammonia to give

13 / 25

Which of the following pairs of compounds will not form hydrogen bonds with each other?

14 / 25

Which of the following reagents readily react with ethyl methyl ether?

15 / 25

Which of the following is closest to the C–O–C bond angle in CH3–O–CH3?

16 / 25

Diethyl ether reacts with sodium metal to give

17 / 25

Diethyl ether on heating with excess concentrated HI gives

18 / 25

The product of the reaction of ethylene oxide with acidic methanol is

19 / 25

Which of the following functional group series is ranked according to increasing boiling points?

20 / 25

Cyclic ethers with three-membered ring are called

21 / 25

Thiols are alcohol analogs in which the oxygen has been replaced by sulfur (e.g., CH3SH). Given the fact that the S–H bond is less polar than the O–H bond, which of the following statements comparing thiols and alcohols is correct?

22 / 25

Ethers can be freed from peroxides by treatment with

23 / 25

Ethylene reacts with oxygen in the presence of silver catalyst at 300°C to form

24 / 25

The following compounds have identical molecular weights. Which would have the lowest boiling point?

25 / 25

Ethylene oxide reacts with HBr to give

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