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NEET Exam  >  NEET Test  >  NCERT Based Tests  >  Test: Ethers - NEET MCQ

Ethers - Free MCQ Practice Test with solutions, NEET NCERT Based Tests


MCQ Practice Test & Solutions: Test: Ethers (20 Questions)

You can prepare effectively for NEET NCERT Based Tests for NEET with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Ethers". 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

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Test: Ethers - Question 1
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Only One Option Correct Type

Direction (Q. Nos. 1-7) 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. 

Identify the final major product of the reaction sequence.

Detailed Solution: Question 1

Test: Ethers - Question 2
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Which is the best reaction for preparation of t-butyl ethyl ether?

Detailed Solution: Question 2

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Test: Ethers - Question 3
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The major organic product formed in the following reaction is

Detailed Solution: Question 3


Test: Ethers - Question 4
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Consider the following chain of reactions :

The major product formed in the final step is

Detailed Solution: Question 4


Test: Ethers - Question 5
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The major organic product formed in the following reaction is

Detailed Solution: Question 5


Phenolic — OH does not undergo further substituton. 

Test: Ethers - Question 6
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Inorganic salts are usually insoluble in organic solvents e.g, KMnO4 is insoluble in benzene. However presence of one of the following compound in benzene makes KMnO4 soluble and gives a purple coloured solution. Which is that compound?

Detailed Solution: Question 6

  • KMnO4 is insoluble in benzene due to its ionic nature, which doesn't mix with non-polar solvents.
  • However, crown ethers (represented by option B) can encapsulate cations like K, forming a complex.
  • This complexation allows KMnO4 to dissolve in benzene by disrupting its ionic lattice.
  • Crown ethers have a cavity that fits certain ions, promoting solvation in non-polar environments.
  • Thus, the presence of a crown ether in benzene facilitates the solubility of KMnO4, giving a purple solution.

Test: Ethers - Question 7
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Consider the following roadmap reaction :


The most probable structure of X is

Detailed Solution: Question 7


*Multiple options can be correct
Test: Ethers - Question 8
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One or More than One Options Correct Type

Direction (Q. Nos. 8 -13) This section contains 6 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONE or MORE THAN ONE are correct

Consider the following reaction,

Q. The expected substitution product(s) is/are

Detailed Solution: Question 8

Reaction proceeds by SN1 mechanism.


Above carbocations give the desired products.

*Multiple options can be correct
Test: Ethers - Question 9
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Which of the following ethers can be obtained in good yield by intermolecular dehydration of alcohols ?

Detailed Solution: Question 9

  • The intermolecular dehydration of alcohols to form ethers is typically successful with primary alcohols. This reaction is known as the Williamson Ether Synthesis.
  • Option A: Symmetrical ethers like diethyl ether (from ethanol) are formed easily by intermolecular dehydration of primary alcohols.
  • Option B and D: These involve secondary or tertiary alcohols, which tend to undergo elimination to form alkenes instead.
  • Option C: Contains a bulky ether, making it less favorable for this synthesis.
  • Correct answer: A.

*Multiple options can be correct
Test: Ethers - Question 10
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If diethyl ether is left in contact of air for long time, the product formed is/are

Detailed Solution: Question 10

Ether is oxidised to peroxide at α-position as 

*Multiple options can be correct
Test: Ethers - Question 11
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In which of the following reaction, the major product is an acyclic ether ?

Detailed Solution: Question 11

(a) (CH3)2SO4 brings about methylation of alcohol giving ether.
(b) Diazomethane reacts with alcohol to form methyl ether.

(c) Primary alcohols on heating with conc. H2SO4 at 140°C undergo intermolecular dehydration giving ether.

*Multiple options can be correct
Test: Ethers - Question 12
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 Consider the following reaction,

The correct statement(s) concerning the above transformation is/are

Detailed Solution: Question 12

(a) Reaction does not involves breaking of bonds to chiral carbon, hence retention of configuration.
(b) With TsCI, — OTs is formed with retention of configuration . Subsequent reaction with CH3ONa involves SN2 reaction, hence inversion of configuration takes place.
(c) With conc. H2SO4 , alkene is formed. Alkene in the next step reacts via carbocation intermediate, hence racemic product is obtained.
(d) Racemic mixture would be obtained.

*Multiple options can be correct
Test: Ethers - Question 13
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Consider the following reaction,

The correct statement regarding the above reaction is/are

Detailed Solution: Question 13

(a) The first s te p involves protonation at forming carbocation rather than oxonium ion.
(c) Final product formation involves nucleophlic attack at carbocation , racemic product would be formed.

Test: Ethers - Question 14
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Comprehension Type

Direction (Q. Nos. 14-16) This section contains a paragraph, describing theory, experiments, data, etc. Three questions related to the paragraph have been given. Each question has only one correct answer among the four given options (a), (b), (c) and (d).

Passage

An organic compound X has molecular formula C11H16O and it can be resolved into enantiom ers. X does not evolve any gas with Na metal. X when treated with concentrated HBr gives C6H5OH and Y(C5H11Br). Y is chiral and has the same configuration as that of compound X.

Q. 

Which reaction gives X as the major product?

Detailed Solution: Question 14

Test: Ethers - Question 15
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An organic compound X has molecular formula C11H16O and it can be resolved into enantiom ers. X does not evolve any gas with Na metal. X when treated with concentrated HBr gives C6H5OH and Y(C5H11Br). Y is chiral and has the same configuration as that of compound X.

Q. 

If Y is treated with C2H5ONa/C2H5OH then how many different E2 products would be formed?

Detailed Solution: Question 15

Test: Ethers - Question 16
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An organic compound X has molecular formula C11H16O and it can be resolved into enantiom ers. X does not evolve any gas with Na metal. X when treated with concentrated HBr gives C6H5OH and Y(C5H11Br). Y is chiral and has the same configuration as that of compound X.

Q. 

If X is treated with H2SO4 it undergoes a rearrangem ent to give Z as the major organic product. What is Z?

Detailed Solution: Question 16


*Answer can only contain numeric values
Test: Ethers - Question 17
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One Integer Value Correct Type

Direction (Q. Nos. 17-20) This section contains 5 questions. When worked out will result in an integer from 0 to 9 (both inclusive).

Q. If a mixture of a 1-propanol and 2-butanol is heated with concentrated H2SO4 at 140°C, how many different ethers would be formed?


Detailed Solution: Question 17


(I) will be a single isomer while (II) will have three stereoisomers (one pair of enantiomer and a meso form). (II) will have a pair of enantiomer.

*Answer can only contain numeric values
Test: Ethers - Question 18
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When 2-ethyl-3-methyl-1 -pentene is treated with CH3OH in H2SO4, how many different methoxy ethers would be formed in significant amount?


Detailed Solution: Question 18


*Answer can only contain numeric values
Test: Ethers - Question 19
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How many of the following reactions give the cyclic ether as the major organic product?





Detailed Solution: Question 19

Except (ix) and (x), all other gives cyclic ether as


*Answer can only contain numeric values
Test: Ethers - Question 20
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How many ether isomers exist for C5H12O?


Detailed Solution: Question 20


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About this NEET Practice Test

This test contains 20 MCQs on Ethers with detailed solutions for each question. It is part of the NCERT Based Tests for NEET course on EduRev, designed to align with the current NEET syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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