Alcohols Phenols and Ethers-5

MCQ Questions Class 12 Alcohols Phenols and Ethers With Answers

CBSE Class 12 Alcohols Phenols and Ethers with Answers Multiple Choice Questions with Answers. MCQ Questions Class 12 Alcohols Phenols and Ethers with Answers with Answers Is Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 12 Alcohols Phenols and Ethers with Answers MCQs with Answers to know their preparation level.

Students who are searching for NCERT MCQ Questions for Class 12 Alcohols Phenols and Ethers with Answers with Answers are compiled here to get good practice on all fundamentals. Know your preparation level on MCQ Questions for Class 12 Alcohols Phenols and Ethers with Answers with Answers. You can also verify your answers from our provided MCQ Class 12 Alcohols Phenols and Ethers with Answers with Answers. So, ace up your preparation with MCQ of Class 12 Chemistry Examinations.

MCQ Questions Class 12 Alcohols Phenols and Ethers with Answers - Set - 5

Question 1: 

A compound X with the molecular formula C2H8O can be oxidised to another compound Y whose molecular formulae is C3H6O2. The compound X may be
(a) CH3CH2OCH3
(b) CH3CH2CHO
(c) CH3CH2CH2OH
(d) CH3CHOHCH3

Correct Answer – (C)

Question 2: 

1-Phenylethanol can be prepared by the reaction of benzaldehyde with
(a) methyl bromide
(b) ethyl iodide and magnesium
(c) methyl iodide and magnesium (Grignard reagent’s)
(d) methyl bromide and aluminium bromide

Correct Answer – (C)

Question 3: 

One mole of ethyl acetate on tatment with an excess of LiAlH4 in dry ether and subsequent acidification produces
(a) 1 mole acetic acid + 1 mole ethyl alcohol
(b) 1 mole ethyl alcohol + 1 mole methyl alcohol
(c) 2 moles of ethyl alcohol
(d) 1 mole of 2-butanol

Correct Answer – (C)

Question 4: 

Phenol on reaction with Br2 in non-polar aprotic solvent furnishes       
(a) 2, 4, 6-tribromophenol
(b) p-bromophenol
(c) o- and p-bromophenol
(d) m-bromophenol

Correct Answer – (C)

Question 5: 

Following compounds are given:       
(i) CH3CH2OH (ii) CH3COCH3
(iii) CH3 – CHOH
                   Í
                CH3
(iv) CH3OH
Which of the above compound(s), on being warmed with iodine solution and NaOH, will give iodoform?
(a) (i) and (ii)
(b) (i), (iii) and (iv)
(c) (i) only
(d) (i), (ii) and (iii)

Correct Answer – (D)

MCQ Questions Class 12 Alcohols Phenols and Ethers With Answers

Question 6: 

Which of the following alcohols will give the most stable carbocation during dehydration?
(a) 2-methyl-1-propanol
(b) 2-methyl-2-propanol
(c) 1-Butanol
(d) 2-Butanol

Correct Answer – (B)

Question 7: 

Which of the following reagents can not, be used to oxidise primary alcohols to aldehydes?
(a) CrO3 in anhydrous medium
(b) KMnO4 in acidic medium
(c) Pyridinium chlorochromate
(d) Heat in the presence of Cu at 573 K

Correct Answer – (B)

Question 8: 

Which of the following alcohols gives 2-butenc on dehydration byconc. H2SO4?
(a) 2-methyl propene-2-ol
(b) 2-methyl 1 -propanol
(c) Butane-2-ol
(d) Butane 1-ol

Correct Answer – (C)

Question 9: 

Ethanol when reacted with PCl5 gives A, POCl3 and HCl. A reacts with silver nitrite to form B (major product) and AgCl. A and B respectively are        
(a) C2H5 Cl and C2H5OC2H5
(b) C2H6 and C2H5OC2H5
(c) C2H5Cl and C2H5NO2
(d) C2H6 and C2H5NO2

Correct Answer – (C)

Question 10: 

The reaction of Lucas reagent is fastest with:       
(a) (CH3)2CHOH
(b) CH3(CH2 )2OH
(c) CH3CH2OH
(d) (CH3)3COH

Correct Answer – (D)
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