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Test: Alcohols, Phenols and Ethers -Preparation of Alcohols(26 Nov) - JEE MCQ


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10 Questions MCQ Test - Test: Alcohols, Phenols and Ethers -Preparation of Alcohols(26 Nov)

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Test: Alcohols, Phenols and Ethers -Preparation of Alcohols(26 Nov) - Question 1

Direction (Q. Nos. 1-8) This section contains 8 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE is correct.

Q, 

Which of the following pairs of compounds can be used as starting material in the synthesis of 2-phenyl-2-pentanol?

Detailed Solution for Test: Alcohols, Phenols and Ethers -Preparation of Alcohols(26 Nov) - Question 1

Test: Alcohols, Phenols and Ethers -Preparation of Alcohols(26 Nov) - Question 2

What is the product of the reaction of methyl cyclohexene with B2H6 in THF followed by the oxidation with alkaline H2O2?

 

Detailed Solution for Test: Alcohols, Phenols and Ethers -Preparation of Alcohols(26 Nov) - Question 2

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Test: Alcohols, Phenols and Ethers -Preparation of Alcohols(26 Nov) - Question 3

Choose the reagent and reactant that would produce 2-methyl-2-butanol as the major product.



Detailed Solution for Test: Alcohols, Phenols and Ethers -Preparation of Alcohols(26 Nov) - Question 3


Test: Alcohols, Phenols and Ethers -Preparation of Alcohols(26 Nov) - Question 4

Ethanol is converted into ethoxy ethane,

Detailed Solution for Test: Alcohols, Phenols and Ethers -Preparation of Alcohols(26 Nov) - Question 4

In order to obtain ethoxy ethane from ethanol, the ethanol must be subjected to the effect of concentrated sulphuric acid at 413 Kelvin or 140°C as shown below:

Test: Alcohols, Phenols and Ethers -Preparation of Alcohols(26 Nov) - Question 5

What is the correct structure for the major compound produced by the following reaction sequence?

Detailed Solution for Test: Alcohols, Phenols and Ethers -Preparation of Alcohols(26 Nov) - Question 5

Reaction involves rearrangement of carbocation

Test: Alcohols, Phenols and Ethers -Preparation of Alcohols(26 Nov) - Question 6

In the reaction given below,

The final major organic product is

Detailed Solution for Test: Alcohols, Phenols and Ethers -Preparation of Alcohols(26 Nov) - Question 6

It is an oxo process of synthesis of alcohols.

Test: Alcohols, Phenols and Ethers -Preparation of Alcohols(26 Nov) - Question 7

Primary alcohol can easily be prepared from primary alkyl halide via SN2 reaction with aqueous NaOH. However, similar method does not work for the preparation of tertiary alcohol. Which reaction can be used for the efficient preparation of tertiary alcohol {tertiary butanol) from tertiary butyl bromide?

Detailed Solution for Test: Alcohols, Phenols and Ethers -Preparation of Alcohols(26 Nov) - Question 7

Test: Alcohols, Phenols and Ethers -Preparation of Alcohols(26 Nov) - Question 8

What is the major product in the following reaction?

Detailed Solution for Test: Alcohols, Phenols and Ethers -Preparation of Alcohols(26 Nov) - Question 8

In oxymercuration-demercuration reaction, Markownikoff's addition of H2O takes place with HO- added to carbon where more stable carbocation could be formed.

*Multiple options can be correct
Test: Alcohols, Phenols and Ethers -Preparation of Alcohols(26 Nov) - Question 9

Direction (Q. Nos. 9-15) This section contains 7 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONE or MORE THAN ONE are correct.

In the following reaction,

The possible substitution product(s) is/are

Detailed Solution for Test: Alcohols, Phenols and Ethers -Preparation of Alcohols(26 Nov) - Question 9

It is a SN1 reaction.

(I) and (II) undergo nucleophilic attack by H2O giving the desired products.
 

*Multiple options can be correct
Test: Alcohols, Phenols and Ethers -Preparation of Alcohols(26 Nov) - Question 10

In the following reaction,

Possible product(s) is/are 

Detailed Solution for Test: Alcohols, Phenols and Ethers -Preparation of Alcohols(26 Nov) - Question 10

 Oxo proces

The aldehydes formed above undergo reduction to give the desired products.

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