NEET Exam  >  NEET Test  >  Chemistry Class 12  >  Test: Preparation of Alcohols - NEET MCQ

Preparation of Alcohols - Free MCQ Practice Test with solutions, NEET Chemistry


MCQ Practice Test & Solutions: Test: Preparation of Alcohols (20 Questions)

You can prepare effectively for NEET Chemistry Class 12 with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Preparation of Alcohols". These 20 questions have been designed by the experts with the latest curriculum of NEET 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 30 minutes
  • - Number of Questions: 20

Sign up on EduRev for free to attempt this test and track your preparation progress.

Test: Preparation of Alcohols - 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: Question 1

Test: Preparation of Alcohols - 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: Question 2

  • Addition through B2H6 follows the anti-Markovnikov rule.
  • A pair of diastereomers are formed.

Test: Preparation of Alcohols - Question 3

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



Detailed Solution: Question 3


Test: Preparation of Alcohols - Question 4

Ethanol is converted into ethoxyethane,

Detailed Solution: 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: Preparation of Alcohols - Question 5

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

Detailed Solution: Question 5

Reaction involves rearrangement of carbocation

                     

Test: Preparation of Alcohols - Question 6

In the reaction given below,

The final major organic product is

Detailed Solution: Question 6

It is an oxo process of synthesis of alcohols.

Test: Preparation of Alcohols - 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: Question 7

*Multiple options can be correct
Test: Preparation of Alcohols - Question 8

In the following reaction,

The possible substitution product(s) is/are

Detailed Solution: Question 8

It is a SN1 reaction.

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

*Multiple options can be correct
Test: Preparation of Alcohols - Question 9

In the following reaction,

Possible product(s) is/are 

Detailed Solution: Question 9

 Oxo proces

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

*Multiple options can be correct
Test: Preparation of Alcohols - Question 10

Which of the following Grignard’s synthesis can result into 2-cyclopentyl-2-butanol?

Detailed Solution: Question 10

Option (b) does not give 2-cyclopentyl-2-butanol as

*Multiple options can be correct
Test: Preparation of Alcohols - Question 11

Aliphatic alcohol when treated with dilute H2SO4, undergo isomerisation via reversible reaction. In the following reaction, which of the isomers are expected to be present at equilibrium?

Detailed Solution: Question 11

Isomerisation occur via carbocation intermediates.


The above carbocations upon nucleophilic attack by water gives the desired product.  

*Multiple options can be correct
Test: Preparation of Alcohols - Question 12

In the following reaction,

The alcohol(s) formed in significant yield is/are

Detailed Solution: Question 12


 

*Multiple options can be correct
Test: Preparation of Alcohols - Question 13

In the reaction given below,

The correct statement regarding the outcome of the above reaction is/are

Detailed Solution: Question 13

Deutride (D-) addition at planar carbonyl carbon occur from both side of plane, with equal probability giving racemic mixture of alcohols. Also deuterium is attached to carbonyl carbon atom only.

*Multiple options can be correct
Test: Preparation of Alcohols - Question 14

Consider the following reaction,

Possible product(s) is/are

Detailed Solution: Question 14

Reaction proceed via carbocation intermediates.


Test: Preparation of Alcohols - Question 15

Consider the following sequence of reaction,

Q. 

The structure of compound B is

Detailed Solution: Question 15

B is an alcohol formed by the attack of Grignard's reagent on acetone. Hence, alcohol must have the skeleton


Also, R is C7H11 with two degree of unsaturation it must be cyclohexenyl methyl not cyclohexyl methyl.

Test: Preparation of Alcohols - Question 16

Consider the following sequence of reaction,

Q. 

If C is treated with excess of Br2(l) how many different isomers of bromination product(s) result?

Detailed Solution: Question 16

*Answer can only contain numeric values
Test: Preparation of Alcohols - Question 17

One Integer Value Correct Type

Direction (Q. Nos. 19-22) This section contains 4 questions. When worked out will result in an integer from 0 to 9 (both inclusive).

In the following reaction,

Q.

How many different diols are formed as a result of nucleophilic addition reaction?


Detailed Solution: Question 17

*Answer can only contain numeric values
Test: Preparation of Alcohols - Question 18

In the reaction given below,

How many different products are expected?


Detailed Solution: Question 18

https://cn.edurev.in/ApplicationImages/Temp/787b3574-10b0-44d6-a02e-e93e760210ab_lg.jpg

https://cn.edurev.in/ApplicationImages/Temp/485050_79556e25-c5f3-4f5d-aba0-3240bccfb573_lg.PNG

https://cn.edurev.in/ApplicationImages/Temp/485050_7b2a5afb-01dc-4b7d-8040-a21fa1e917e3_lg.PNG

Hence 5 is the correct answer.

*Answer can only contain numeric values
Test: Preparation of Alcohols - Question 19

If 3, 3-dimethyl-2, 4-pentanedione is treated with a Grignard reagent consisting of mixture of CH3MgBr and C2H5MgBr and finally hydrolysing product with dilute H2SO4 results in the formation of how many different diols?


Detailed Solution: Question 19


(II) has two chiral carbon but symmetrical, hence, three stereoisomers.
(III) has only one chiral carbon hence, two stereoisomers (pair of enantiomers).

*Answer can only contain numeric values
Test: Preparation of Alcohols - Question 20

If a pure enantiomer of 3-methyl-1-pentene is treated with boiling solution of dilute H2SO4, how many different alcohols are expected in principle?


Detailed Solution: Question 20

54 videos|290 docs|74 tests
Information about Test: Preparation of Alcohols Page
In this test you can find the Exam questions for Test: Preparation of Alcohols solved & explained in the simplest way possible. Besides giving Questions and answers for Test: Preparation of Alcohols, EduRev gives you an ample number of Online tests for practice
54 videos|290 docs|74 tests
Download as PDF