Alcohols, Phenols and Ethers MCQs for NEET Chemistry with Answers

Alcohols, Phenols and Ethers MCQs: To excel in NEET, it is important to focus on Alcohols, Phenols, and Ethers MCQs.  For Class 12 students, mastering Alcohols, Phenols and Ethers MCQs is important for both board exams and NEET preparation, as they are a significant part of the NEET Chemistry syllabus . Regular practice will improve your understanding and problem-solving skills, and reviewing past NEET questions can provide insights into the exam format and question types.

Alcohols, Phenols and Ethers MCQs For NEET

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Alcohols, Phenols and Ethers MCQs Class 12

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Alcohols, Phenols and Ethers MCQs with Answer

Q 1. Sorbitol is an alcohol which is;

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Q 2. Which of the following is a dihydric alcohol?

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Q 3. 2,4-dimethyl-3-pentanol is a;

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Q 4. Assertion (A): The bond angle in ethers is slightly less than the tetrahedral angle.

Reason (R): There is a repulsion between the two bulky (–R) groups.

Ans. 4

Q 5. What is the C─O─H bond angle in phenol?

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Q 6. The only primary alcohol that can be prepared by the indirect hydration of alkenes is;

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Q 7. The process of converting alkyl halides into alcohols involves ________ (NCERT Exemplar)

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Q 8. A tertiary alcohol is obtained when the Grignard reagent reacts with;

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Q 9. Reaction between acetone and methyl magnesium chloride followed by hydrolysis will give; (2020)

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Q 10. Which of the following Grignard reagents is suitable for the preparation of 3-methyl-2-butanol?

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Q 11. Which of the following reagents, when treated with phenyl magnesium bromide followed by acid workup, will yield 2-phenylethanol?

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Q 12. Which statement is not correct about alcohol?

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Q 13. As the alkyl part goes on increasing in alcohol, the solubility of alcohol in water;

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Q 14. When alcohol is dissolved in water, it is accompanied by;

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Q 15. Solubility of alcohol in water increases with;

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Q 16. Which of the following alcohols have lowest boiling point?

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Q 17. The increasing order of the boiling point of alcohol is;

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Q 18. If we increase the molecular mass of alcohol, its solubility in water will;

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Q 19. Alcohols boil at a higher temperature compared to alkanes and other compounds of similar molecular weights because;

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Q 20. The boiling point of alcohol is much higher than alkane due to;

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Q 21. Arrange the following compounds in increasing order of boiling point. Propan-1-ol, butan-1-ol, butan-2-ol, pentan-1-ol (NCERT Exemplar)

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Q 22. Alcohols of high molecular masses are;

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Q 23. Statement-I: Solubility of n-alcohol in water decreases with an increase in molecular weight.

Statement II: The reactive proportion of the hydrocarbon part in alcohols increases with increasing molecular weight which permits enhanced hydrogen bonding with water.

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Q 24. Assertion (A): Cyclohexanol is more soluble in water than 1-hexanol.

Reason (R): The –OH group of cyclohexanol is more exposed and is more available for hydrogen bonding with water.

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Q 25. The waxy substances are;

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Q 26. The boiling point of glycerol is more than propanol because of;

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Q 27. Which of the following are correct statement(s)?

(I) The Polar nature of O–H bond is responsible for the acidic character of alcohols.

(II) Acidic strength of alcohols follows the order 1° > 2° > 3°.

(III) Lower alcohols are insoluble in water.

(IV) Alcohols also react as Bronsted base.

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Q 28. ClCH2CH2OH is a stronger acid than CH3CH2OH because;

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Q 29. The order of reactivity of methyl alcohol (I), isopropyl alcohol (II), tertiary butyl alcohol (III), and ethyl alcohol (IV) for esterification in decreasing order will be;

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Q 30. Assertion (A): Esterification is a process in which a sweet-smelling substance is produced.

Reason (R): When esters react with sodium hydroxide, an alcohol and sodium salt of carboxylic acid are obtained.

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Q 31. The reaction between an alcohol and an acid with elimination of a water molecule is called;

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Q 32. When ethyl alcohol reacts with acetic acid, the products formed are;

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Q 33. Statement-I: Esterification of alcohol involves cleavage of the O–H bond in alcohols.

Statement II: Alcohols liberate hydrogen gas in reaction with metallic sodium.

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Q 34. In esterification of an acid, the other reagent is;

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Q 35. Tertiary alcohols are resistant to oxidation;

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Q 36. Which of the following compounds is not oxidized by pyridinium chlorochromate (PCC)?

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Q 37. By oxidation which alcohol do we get ketone? (2015)

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Q 38. What is the product formed when ethyl alcohol is treated with PCC?

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Q 39. Primary alcohols on action of copper gives;

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Q 40. Isopropyl alcohol is heated at 300°C with a copper catalyst to form;

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Q 41. When vapours of a secondary alcohol is passed over heated copper at 573 K, the product formed is;

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Q 42. What happens when tertiary butyl alcohol is passed over heated copper at 300°C?

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Q 43. Tertiary alcohols when passed over heated copper undergo ______ to form ______.

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Q 44. Which of the following is responsible for iodoform reaction?

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Q 45. Statement-I: Result of Victor Mayer test

1° ROH → Red colour

2° ROH → Blue colour

3° ROH → White or no colour

Statement-II: The Victor Mayer test is a method of distinguishing 1°, 2° and 3° alcohol.

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Q 46. Which of the following is an example of trihydric phenol?

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Q 47. A compound, in which the –OH group is directly attached to the carbon atom of the benzene ring is called;

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Q 48. Phenols are hydroxy compounds of;

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Q 49. Aromatic monohydroxy compound is called;

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Q 50. When chlorobenzene is heated under pressure at the ________ temperature during Dow’s process, phenol is obtained.

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Q 51. Benzene diazonium chloride on boiling with dilute sulphuric acid gives;

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Q 52. Sodium salt of benzene sulphonic acid on fusion with caustic soda and followed by treatement with HCl gives;

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Q 53. In preparation of phenol from cumene, the important product obtained are;

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Q 54. Cumene hydroperoxide on decomposition by dilute acid gives a mixture of;

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Q 55. Phenol can be obtained from the following compounds;

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Q 56. Cumene on air oxidation forms;

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Q 57. Phenols and alcohols both have the same –OH group but still phenols are sparingly soluble in water. This is because;

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Q 58. Choose the incorrect statement among following.

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Q 59. For phenol, which of the following statements is correct?

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Q 60. Assertion (A): Phenol is solid at room temperature.

Reason (R): Phenol has intermolecular hydrogen bonding.

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Q 61. Assertion (A): o-Nitrophenol is less soluble in water than the m-and p-isomers.

Reason (R): m- and p-Nitrophenols exist as associated molecules.

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Q 62. Assertion (A): o- and p-Nitrophenols can be separated by steam distillation.

Reason (R): o-Nitrophenol exhibits intramolecular hydrogen bonding while p-Nitrophenol exist as associated molecules.

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Q 63. o-Nitrophenol is steam volatile, whereas p-nitrophenol is not. This is due to;

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Q 64. Statement-I: o-Nitrophenol is steam volatile due to intramolecular hydrogen bonding.

Statement-II: o-Nitrophenol has a high melting point due to hydrogen bonding.

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Q 65. Which of the following is most acidic?

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Q 66. Assertion (A): p-Nitrophenol is more acidic than phenol.

Reason (R): Nitro group helps in the stabilisation of the phenoxide ion by dispersal of negative charge due to resonance.

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Q 67. Assertion (A): Phenol is more acidic than ethanol.

Reason (R): Phenoxide ion is more stabilized by resonance than ethoxide ion.

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Q 68. Phenol, when it first reacts with concentrated sulphuric acid and then with nitrating mixture, gives;

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Q 69. Statement-I: The acidic strength of monosubstituted nitrophenol is higher than phenol because of the electron withdrawing nitro group.

Statement-II: o-nitrophenol, m-nitrophenol, and p-nitrophenol will have same acidic strength as they have one nitro group attached to the phenolic ring.

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Q 70. The boiling point of p-nitrophenol is higher than that of o-nitrophenol because; (1994)

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Q 71. When phenol is treated with excess of bromine water, it gives; (1992)

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Q 72. Assertion (A): In case of phenol, bromination takes place even in absence of Lewis acid whereas bromination of benzene takes place in presence of Lewis acid like FeBr3.

Reason (R): –OH group attached to benzene ring is highly deactivating.

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Q 73. Which of the following reactions confirm the presence of benzene ring in phenol?

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Q 74. Assertion (A): Phenol forms 2,4,6-tribromophenol on treatment with excess bromine water.

Reason (R): 2,4,6-tribromophenol is less soluble in water than phenol.

Ans. 2

How to Approach Alcohols, Phenols and Ethers MCQs

1. Understand Reactions: Know the common reactions involving alcohols, phenols, and ethers, such as dehydration, oxidation, esterification, and Williamson synthesis.
2. Analyze the Question: Read each question carefully to identify the key details. Understand what is being asked and what information is provided.
3. Practice Regularly: Regular practice with MCQs will help you recognize patterns and apply concepts more effectively.
4. Manage Your Time: Practice answering MCQs under timed conditions to improve your speed and accuracy during exams.
5. Review Mistakes: Analyze any incorrect answers to understand your errors and avoid repeating them.
6. Seek Help: If you have difficulties with any concepts, ask your teacher or classmates for assistance.
7. Use Online Resources: Take advantage of Physics Wallah online resources, such as practice tests, quizzes, and interactive classes, to enhance your learning.