learn Chemistry 2nd year mcqs chapter 11 pdf Solved for both Entry Test and Board Exams.
IMPORTANCE OF THESE MCQS
It is tough and difficult task to solve 2nd year chemistry mcqs . Students
must have proper preparation of 2nd year chemistry mcqs for excellent
marks in chemistry 12. All the important mcqs related to chapter 11 alcohols, phenols and ethers of 2nd
year Chemistry are here for you. These questions are taken from past
papers of 2nd year chemistry of all Punjab Board of Pakistan as ;
Bahawalpur Board
D.G.Khan Board
Faisalabad Board
Gujranwala Board
Lahore Board
Multan Board
Rawalpindi Board
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These questions (MCQs) are top repetitive in previous papers. Each
question has a detailed answer explanation. In this way you learn from
your mistakes
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About This Chapter
Chapter no. 11 "Alcohols, Phenols and Ethers" of Chemistry class 12 enables the students to expert in nomenclature of primary, secondary and tertiary alcohols. Students learn preparation of methanol and ethanol. Students learn nature of OH group and its reactivity when OH bond is broken and CO bond is broken. Students learn methods of preparation of phenol and its acidic nature. Students learn to name ethers and preparation of diethyl ether. This "Chemistry 2nd year mcqs chapter 11 pdf" covers all important mcqs that are top repetitive
in past papers relevant to above mentioned topics.
👉For Answers of following questions click the show answer button.
1. Which compound is called universal solvent?
(A) CH3OH
(B) H2O
(C) C6H6
(D) All of above
(B) H2O
2. In t-butyl alcohol, the tertiary carbon is bonded to:
(A) 3 H-atoms
(B) 2 H-atoms
(C) 1 H-atom
(D) No H-atoms
(D) No H-atoms
3. Alcohol obtained by fermentation is only upto:
(A) 12%
(B) 15%
(C) 20%
(D) 35%
(A) 12%
4. Rectified spirit contains alcohol about:
(A) 80 %
(B) 85 %
(C) 90 %
(D) 95%
(D) 95%
5. Which enzyme is not involved in the fermentation of starch?
(A) Zymase
(B) Urease
(C) Invertase
(D) Diastase
(B) Urease
6. Alcohol obtained by fermentation never exceeds by
(A) 14%
(B) 12%
(C) 17%
(D) 19%
(A) 14%
7. Which compound is insoluble in water?
(A) Methyl alcohol
(B) Ethyl alcohol
(C) Benzene
(D) Acetic acid
(C) Benzene
8. According to Lewis concept ethers behave as
(A) Acids
(B) Base
(C) Amphoteric
(D) Solvent
(B) Base
9. Bakelite is obtained from phenol by reacting with:
(A) Methanol
(B) Formaldehyde
(C) Acetaldehyde
(D) Ethanal
(B) Formaldehyde
10. Which compound shows Hydrogen bonding?
(A) C2H6
(B) C2H5Cl
(C) C2H5OH
(D) CH3-O-CH3
(C) C2H5OH
11. Which compound shows maximum hydrogen bonding with water?
(A) CH3OH
(B) C2H5OH
(C) CH3-O-CH3
(D) C6H5OH
(A) CH3OH
12. Which compound is more soluble with water?
(A) C2H5OH
(B) C6H5OH
(C) CH3OCHC
(D) n-Hexanol
(A) C2H5OH
13. Ethanol can be converted into ethanoic acid by.
(A) Hydrogenation
(B) Hydration
(C) Oxidation
(D) Fermentation
(C) Oxidation
14. Methyl alcohol is not used:
(A) as a solvent
(B) as an antifreeze agent
(C) as substitute for petrol
(D) for denaturing of Ethyl alcohol
(C) as substitute for petrol
15. Primary, secondary and tertiary alcohols can identified by:
(A) Lucas test
(B) Brayer's reagent test
(C) Ring test
(D) None of these
(A) Lucas test
16. William sons synthesis is used to prepare
(A) Ketones
(B) Aldols
(C) Carboxylic acids
(D) Ethers
(D) Ethers
17. Ketones on reduction give ___alcohols:
(A) Primary
(B) Secondary
(C) Tertiary
(D) All of above
(B) Secondary
18. Alcohols react with____ to produce esters.
(A) Phenols
(B) Alkyl halides
(C) Carboxylic acids
(D) None of these
(C) Carboxylic acids
19. The process of conversion of starch into alcohol with the help of microorganisms is called:
(A) Fermentation
(B) Pickling
(C) Spoilage
(D) Glycolysis
(A) Fermentation
20. Which is also called as wood spirit?
(A) Methyl alcohol
(B) Acetic acid
(C) Phenol
(D) Benzene
(A) Methyl alcohol
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