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Test: Name Reaction Level - 1 - Chemistry MCQ


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30 Questions MCQ Test Organic Chemistry - Test: Name Reaction Level - 1

Test: Name Reaction Level - 1 for Chemistry 2024 is part of Organic Chemistry preparation. The Test: Name Reaction Level - 1 questions and answers have been prepared according to the Chemistry exam syllabus.The Test: Name Reaction Level - 1 MCQs are made for Chemistry 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Name Reaction Level - 1 below.
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Test: Name Reaction Level - 1 - Question 1

 Predict the product of the following reaction sequence:

Test: Name Reaction Level - 1 - Question 2

 Predict the product of the following reaction sequence.

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Test: Name Reaction Level - 1 - Question 3

 The major product formed in the following reaction is:

Test: Name Reaction Level - 1 - Question 4

 Choose the reaction sequence that could be used to perform the following transformation:

Test: Name Reaction Level - 1 - Question 5

What could be reagents A and B for the following reactions:

Test: Name Reaction Level - 1 - Question 6

What could be the reagent to complete the following reaction:

Detailed Solution for Test: Name Reaction Level - 1 - Question 6

The reaction involves the oxidation of a primary alcohol (-CH2OH) to an aldehyde (-CHO). Based on the options:

  • K₂Cr₂O₇ and H₂CrO₄ are strong oxidizing agents, which would further oxidize the aldehyde to a carboxylic acid.
  • OsO₄ is used for dihydroxylation of alkenes, so it’s irrelevant here.
  • PCC in dry CH₂Cl₂ is a mild oxidizing agent that stops at the aldehyde stage, making it the correct reagent.

Answer: b) PCC in dried CH₂Cl₂.

Test: Name Reaction Level - 1 - Question 7

Choose order that has the following compounds correctly arranged with respect to increasing rate of reaction with LiAlH4 (most reactive compound on the right).

Test: Name Reaction Level - 1 - Question 8

Choose the reaction(s) that will not proceed as shown hereunder:

Detailed Solution for Test: Name Reaction Level - 1 - Question 8

Reduction of amide by LAH gives amine but hydrolysis of amine not give alcohol.

Hence B is the answer.

Test: Name Reaction Level - 1 - Question 9

 Predict the product of the following aldol condensation:

Test: Name Reaction Level - 1 - Question 10

 Which of the following structure is more stable:
 

Detailed Solution for Test: Name Reaction Level - 1 - Question 10

The negative charge is delocalized and NO2 shows -I and -M effect and hence stabilizes -ve charge.

Test: Name Reaction Level - 1 - Question 11

Which of the following is most reactive towards aqueous HBr:

Test: Name Reaction Level - 1 - Question 12

 Ethylbenzene when treated with chlorine in presence of light mainly gives:

Test: Name Reaction Level - 1 - Question 13

 The following alcohol is treated with Conc. H2SO4, the major product obtained is:

Test: Name Reaction Level - 1 - Question 14

 The major product formed in the following reaction is:

Test: Name Reaction Level - 1 - Question 15

 Give the nature of And B in the given reaction:

Test: Name Reaction Level - 1 - Question 16

The reaction    is an example of:
 

Test: Name Reaction Level - 1 - Question 17

 Here, P should be:
 

Test: Name Reaction Level - 1 - Question 18

Nitrobenzene can be reduced to aniline by:

(I) H2/Ni

(II) Sn/HCl

(III) Zn/NaOH

(IV) LiAlH4

Detailed Solution for Test: Name Reaction Level - 1 - Question 18

Correct Answer :- B

Explanation : When nitrobenzene is reduced with a metal and acid (Sn/HCl, Zn/HCl etc.), aniline is obtained. The intermediate products nitrosobenzene and phenylhydroxylamine are never isolated because these are reduced more rapidly than nitrobenzene.

 

However, the catalytic hydrogenation of nitrobenzene gives aniline.

 PhNO2  (H2+Ni)------------->PhNH2

​           

Azobenzene is formed when nitrobenzene is reduced by LiAlH4.

Test: Name Reaction Level - 1 - Question 19

1-Methylcyclopentene can be converted into 2-methylcyclopentanol by:

Test: Name Reaction Level - 1 - Question 20

 2-Methylpropanol-2 can be obtained by the acid-catalyzed hydration of:

Test: Name Reaction Level - 1 - Question 21

A new carbon-carbon bond formation is possible in

Test: Name Reaction Level - 1 - Question 22

The major product formed in the following reaction is:

Test: Name Reaction Level - 1 - Question 23

Predict the nature of product and the type of reaction involved in their formation.

Detailed Solution for Test: Name Reaction Level - 1 - Question 23

Test: Name Reaction Level - 1 - Question 24

Anisole is treated with HI under two different conditions:

The nature of A and D will be
 

Test: Name Reaction Level - 1 - Question 25

The ethereal linkage (—C—O—C—) is cleaved by: 

Test: Name Reaction Level - 1 - Question 26

Predict the compounds A and B in the following reactions:

Detailed Solution for Test: Name Reaction Level - 1 - Question 26

Option C correct. Due to Photochemical conditions O-O bond of Oxygen will be cleaved. 

Test: Name Reaction Level - 1 - Question 27

Detailed Solution for Test: Name Reaction Level - 1 - Question 27

Test: Name Reaction Level - 1 - Question 28

 Which of the following statement is true regarding amount of AlCl3 required during Friedel-Craft acetylation using acetyl chloride or acetic anhydride:

Test: Name Reaction Level - 1 - Question 29

Which of the following gives effervescences of CO2 with NaHCO3 solution:

Test: Name Reaction Level - 1 - Question 30

2,4,6-Trinitrophenol can be prepared in good yield:

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