1
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
The best reagent to convert pent -3- en-2-ol into pent -3-en-2-one is
A
Acidic permanganate
B
Acidic dichromate
C
Chromic anhydride in glacial acetic acid
D
Pyridinium chloro – chromate
2
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
$$p$$-cresol reacts with chloroform in alkaline medium to give the compound A which adds hydrogen cyanide to form, the compound $$B.$$ The latter on acidic hydrolysis gives chiral carboxylic acid. The structure of the carboxylic acid is
A
AIEEE 2005 Chemistry - Alcohols, Phenols and Ethers Question 101 English Option 1
B
AIEEE 2005 Chemistry - Alcohols, Phenols and Ethers Question 101 English Option 2
C
AIEEE 2005 Chemistry - Alcohols, Phenols and Ethers Question 101 English Option 3
D
AIEEE 2005 Chemistry - Alcohols, Phenols and Ethers Question 101 English Option 4
3
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
Among the following compounds which can be dehydrated very easily is
A
AIEEE 2004 Chemistry - Alcohols, Phenols and Ethers Question 102 English Option 1
B
AIEEE 2004 Chemistry - Alcohols, Phenols and Ethers Question 102 English Option 2
C
AIEEE 2004 Chemistry - Alcohols, Phenols and Ethers Question 102 English Option 3
D
AIEEE 2004 Chemistry - Alcohols, Phenols and Ethers Question 102 English Option 4
4
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
During dehydration of alcohols to alkenes by heating with conc. H2SO4 the initiation step is
A
formation of carbocation
B
elimination of water
C
formation of an ester
D
protonation of alcohol molecule
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