PPSC Lecturer Chemistry Test 29 Online Preparation MCQs

Lecturer Chemistry 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.

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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 29
Test Type MCQs
Total Questions 25
Total Time 20 Minutes
Total Marks 100
0%

You have 20 minutes to pass to the quiz.

PPSC LECTURER OF CHEMISTRY TEST NO. 29

1 / 25

Which of the following compounds will give a positive test with Fehling's solution?

2 / 25

Which of the following compounds will give an iodoform test?

3 / 25

Which of the following compounds does not give iodoform test on treatment with I2/NaOH?

4 / 25

An organic compound (A), C3H8O, on oxidation gives (B), C3H6O. The compound (B) could be

5 / 25

Which of the following compounds will give a positive iodoform test?

6 / 25

A hydrazone will result from the reaction of hydrazine with

7 / 25

Vinegar is a

8 / 25

What is the hybridization of the carbonyl oxygen in carboxylic acids?

9 / 25

Which of the following compounds does not give a positive iodoform test :

10 / 25

Why do aldehydes undergo nucleophilic addition reactions while esters undergo nucleophilic acyl substitution reactions?

11 / 25

The reduction of cyclohexanone with LiAlH4 (or NaBH4) will give

12 / 25

Oxidation of acetaldehyde with Na2Cr2O7/H+ gives

13 / 25

Which of the following reagents can be used to reduce acetaldehyde to ethyl alcohol?

14 / 25

An unknown compound gave a positive Tollens' test. Treatment of the unknown with I2/NaOH gave a solid which was identified as iodoform. The unknown was?

15 / 25

An organic compound (A), C3H8O, on oxidation gives (B), C3H6O. The compound (A) could be

16 / 25

Which of the following characterizes the reactions of aldehydes and ketones?

17 / 25

Aldehydes can be distinguished from ketones by using

18 / 25

Organic compound (A), C4H8O, does not react with sodium or PCl5. However, it reduces an alkaline solution of a copper (II) salt on heating. Compound (A) could be

19 / 25

Acetaldehyde on treatment with Tollens' reagent gives a precipitate of

20 / 25

Acetaldehyde on treatment with Fehling's solution gives a precipitate of

21 / 25

Aldehydes undergo oxidation with KMnO4/H+ to give

22 / 25

The appearance of a silver mirror in Tollens' test indicates the presence of :

23 / 25

What is the hybridization and geometry of the carbonyl carbon in carboxylic acids and their derivatives?

24 / 25

Check the incorrect statement :

25 / 25

In the conversion of wine to vinegar

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