Which of the following is the product from ethanol addition to dihydropyran (shown on the left below) ?
What product (s) are expected from the following reaction ?
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Which of the following reagents would be best for oxidizing a 1º-alcohol to an aldehyde ?
A water soluble C6H14O2 compound is oxidized by lead tetraacetate (or periodic acid) to a single C3H6O carbonyl compound. Which of the following would satisfy this fact ?
A racemic mixture of (±) 2-phenyl propanoic acid on esterificaton with (+) 2-butanol gives two esters. Mention the sterochemistry of two esters formed -
Compound which gives alcohol on reduction is/are (When reacts with LiAH4)
Which of following compound undergo acidic hydrolysis.
Which of the following alcohol can not be oxidized by KMnO4 :
Aldehydes and ketones react with oine molecule of analcohol to form compounds called hemiacetals, in which there is one hydroyl group and one either-like group. Reaction of a hemiacetal with a second molecule of alcohol gives an acetal and a molecule of water. We study this reaction
Draw structural formulas for the hemicetal and acetal formed from these reagents. The stoichiometry of each reaction is given in the problem.
(A)
(B)
(C)
Q.
Product P is -
Aldehydes and ketones react with oine molecule of analcohol to form compounds called hemiacetals, in which there is one hydroyl group and one either-like group. Reaction of a hemiacetal with a second molecule of alcohol gives an acetal and a molecule of water. We study this reaction
Draw structural formulas for the hemicetal and acetal formed from these reagents. The stoichiometry of each reaction is given in the problem.
(A)
(B)
(C)
Q.
Product Q is -
Aldehydes and ketones react with oine molecule of analcohol to form compounds called hemiacetals, in which there is one hydroyl group and one either-like group. Reaction of a hemiacetal with a second molecule of alcohol gives an acetal and a molecule of water. We study this reaction
Draw structural formulas for the hemicetal and acetal formed from these reagents. The stoichiometry of each reaction is given in the problem.
(A)
(B)
(C)
Q.
Product R is -
Benzenediazonium chloride on reaction with phenol in weakly basic medium gives
Match the following X, yZ (C5H12O) are isomeric alcohols on oxidation `X' gives a given, Y gives acid and Z is not oxidised X gives positive test. The activity order with HBr is Z > X > Y.
1-propanol & 2-propanol can be best distinguished by -
Identify the correct order of boiling point of the following compounds :
[JEE 2002]
Reactn of entainomerically pure acid with 1 chiral carbon and racemic alcohol with 1 chiral carbon gives an ester which is -