Which of the following is also known as wood spirit?
(a) Ethanol (b) Propanol
(c) Methanol (d) Butanol
Ans C
The action of zymase is inhibited during fermentation if the percentage of alcohol formed exceeds
(a) 5% (b) 7%
(c) 10% (d) 14%
Ans d
Vinylic alcohol contains
(a) -OH group attached to an sp3-hybridised carbon atom
(b) -OH group attached to sp3-hybridised carbon atom
(c) -OH group bonded to a carbon-carbon double bond
(d) -OH group attached to sp3-hybridised carbon atom
Ans C
In ethers, the two bond pairs and two lone pairs of electrons on oxygen are arranged in a
(a) planar arrangement
(b) tetrahedral arrangement
(c) trigonal bipyramidal arrangement
(d) linear arrangement
Ans B
The reagent(s) used for the reduction of aldehydes and ketone into alcohols is/are
(a) finely divided metals such as Pt/Pd/Ni
(b) sodium borohydride
(c) lithium aluminium hydride
(d) All of the above
Ans d
Which of the following reagent is used to reduce carboxylic acids to primary alcohols?
(a) Pd (b) R-OH (c) LiAlH4 (d) Ni
Ans C
The reaction of Grignard reagent with carbonyl compound is a nucleophilic addition reaction. This reaction on hydrolysis produces
(a) ester (b) alcohol
(c) carboxylic acid (d) ether
Ans b
Alcohols and phenols react with active metals to yield
(a) alkoxides/phenoxides (b) hydrogen gas
(c) nitrogen (d) Both (a) and (b)
Ans d
Phenols show the cleavage of C— O bond with
(a) Na (b) K
(c) Zn (d) Ca
Ans C
Phenol on reaction with conc. HNO3 produces
(a) o-nitrophenol (b) p-nitrophenol
(c) 2, 4, 6-trinitrophenol (d) m-nitrophenol
Ans c
Williamson’s synthesis involves which of the following type of mechanism when attack of an alkoxide ion on primary alkyl halide takes place?
(a) SN1 (b) SN2
(c) E1 (d) E2
Ans b
Among the following sets of reactants which one produces anisole?
(a) CH3CHO, RMgX
(b) C6H5OH, NaOH, CH3I
(c) C6H5OH, neutral FeCl3
(d) C6H5– CH3, CH3COCl , AlCl3
Ans b
Select the correct increasing order of boiling point.
(a) n-pentane, ethoxyethane, butan-1-ol
(b) ethoxyethane, n-pentane, butan-1-ol
(c) butan-1-ol, n-pentane, ethoxyethane
(d) ethoxyethane, butan-1-ol, n-pentane
Ans a
The order of reactivity of hydrogen halides with ether is as follows :
(a) HBr > HI > HCl (b) HCl > HBr > HI
(c) HI > HBr > HCl (d) HCl > HI > HBr
Ans c
Ethers are treated with an aqueous solution of I in order to remove peroxides from it. Identify the ‘I’ from the following options.
(a) KI (b) Br2
(c) KCNS (d) Na2S2O3
Ans a
Which of the following hydrocarbon is used for the world wide production of phenol?
(a) Iso-butylbenzene (b) Iso-propylbenzene
(c) Iso-pentylbenzene (d) None of these
Ans b
Arrange the following compounds in the decreasing order of acidity.
(a) H2O > HC≡CH>ROH
(b) H2O >ROH > HC≡CH
(c) HC≡CH>ROH > H2O
(d) HC≡CH> H2O >ROH
Ans b
Which one is the most acidic compound?
(a) 
(b) 
(c) 
(d) 
Ans d