Which of the following compounds can be used as antifreeze in automobile radiators?
A
Methyl alcohol
B
Glycol
C
Nitrophenol
D
Ethyl alcohol
Explanation
Glycol is used as an antifreeze in automobiles.
2
MCQ (Single Correct Answer)
AIPMT 2011 Prelims
In the following reactions,
the major products (A) and (C) are respectively
A
B
C
D
Explanation
3
MCQ (Single Correct Answer)
AIPMT 2010 Prelims
Which of the following compounds has the most acidic nature?
A
B
C
D
Explanation
Phenol is most acidic among the given options. In phenol, the electron withdrawing phenyl ring polarises the O-H bond thereby facilitating the release of H+.
In option (A) the -I effect of phenyl ring is diminished by -CH2 group.
Moreover, the phenolate ion is stabilised by resonance.
4
MCQ (Single Correct Answer)
AIPMT 2010 Mains
Match the compounds given in List I with their characteristic reactions given in List II. Select the correct option.
List I (Compounds)
List II (Reactions)
A.
CH3(CH2)3NH2
(i)
Alkaline hydrolysis
B.
CH3C$$ \equiv $$CH
(ii)
With KOH (alcohol) and CHCl3 produces bad smell
C.
CH3CH2COOCH3
(iii)
Gives white ppt. with ammoniacal AgNO3
D.
CH3CH(OH)CH3
(iv)
With Lucas reagent cloudiness appears after 5 minutes
A
A-(ii), B-(i), C-(iv), D-(iii)
B
A-(iii), B-(ii), C-(i), D-(iv)
C
A-(ii), B-(iii), C-(i), D-(iv)
D
A-(iv), B-(ii), C-(iii), D-(i)
Explanation
Questions Asked from Alcohol, Phenols and Ethers
On those following papers in MCQ (Single Correct Answer) Number in Brackets after Paper Name Indicates No of Questions
