Chemistry class 12 unit 11 solved MCQs from past papers. 2nd-year chemistry chapter-wise past papers MCQs. Download in pdf.
Chemistry Class 12 Unit 11
MULTIPLE CHOICE QUESTIONS (MCQ’s)
(From Previous Board Papers 2014-2015-2016-2017-2018)
Methyl alcohol is not used: (GRW.GI, 2014) (DGK. 2018)
(A) as a solvent
(B) as an antifreezing agent
(C) as a substitute for petrol
(D) for denaturing of ethyl alcohol
According to Lewis concept, ethers behave as. (LHR. GI, 2014) (MLN. GII, 2015) (SWL. BWP. GI, 2017) (MLN. 2018)
(A) Acid
(B) Base
(C) Nucleophile
In t-butyl alcohol, the tertiary carbon is bonded to: (GRW.SGD. GI, 2014) (MLN. GII, 2015) (LHR. GI, 2016) (SWL. 2017)
(A) Three hydrogen atoms
(B) Two hydrogen atoms
(C) One hydrogen atom
(D) No hydrogen atom
Which compound will have the maximum repulsion with water? (FBD. GI, 2014)
(A) C6H6
(B) C2H5OH
(C) C3H,OH
(D) CH3OCH3
Which compound will have the maximum repulsion with water? (FBD. 2014) (GRW GII, DGK. GI, 2015), (LHR. GII, 2016) (BWP. GI, 2017)
(A) CHs
(B) C2H5OH
(C) CzH,OH
(D) CH3OCH3
Alcohol obtained by fermentation is only upto: (LHR. GI, 2014)
(A) 12%
(B) 20%
Which compound is called universal solvent? (SWL, 2014) (AJK. SWL. MLN. GI, 2015) (MLN. GII, SWL, 2016) (LHR. GII, LHR. GI, 2017) (BWP. GII, 2018)
(A) CH3OH
(B) C2H5OH
(C) CH3OCH
(D) H20
Alcohols, Phenols And Ethers MCQs
Methyl alcohol is not used: (GRW. GII, 2014) (RWP. GII, 2017)
(A) As a solvent
(B) As an anti freezing agent
(C) As a substitute for petrol
(D) For denaturing of ethyl alcohol.
Bakelite is obtained from phenol by reacting with. (LHR. GII, 2014)
(A) Acetal
(B) Ethanal
Formaldehyde
(D) Methanol
Rectified spirit contains alcohol about. (BWP. DGK. GII, 2014) (SGD. GII, DGK. GI, 2015)
(A) 85%
(B) 90%
C) 95%
compound shows extensive hydrogen bonding with water. (MLN. GII, 2014) (SGD. BWP. 2015)
(A) C2H6
(B) H2S
(C) CH3OH
(D) CH3CI
Ethanol can be converted into ethanoic acid by: (BWP. 2015) (SGD. GI, RWP AJK.)
(A) Hydrogenation
(B) Hydration
(C) Oxidation
(D) Fermentation
Which one of the following is a dihydric alcohol. (RWP. 2015)
(A) Ethanol
(B) Cyclo hexanol
(C) Glycerol
Alcohol obtained by fermentation never exceeds. (MLN. GII, 2017) (SWL. 2018)
(A) 10%
(B) 16%
(C) 95%
(D) 80%