HARD
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2,4-pentanedione is treated with excess of KCN in acetic acid solution and finally hydrolysed with dilute H2SO4 giving products only with molecular formula C7H12O6 (dicarboxylic acids). The correct statement regarding product(s) of this reaction is/are
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Important Questions on Haloalkanes and Haloarenes
MEDIUM
How many chiral compounds are possible on monochlorination of -methylbutane?
MEDIUM
Why dextro and laevo – rotatory isomers of Butan-2-ol are difficult to separate by fractional distillation ?
MEDIUM
Predict the stereochemistry of the product formed if an optically active alkyl halide undergoes substitution reaction by mechanism.
EASY
Two possible stereo-structures of , which are optically active, are called:
EASY
Which of the following structures represents a chiral compound?
EASY
Identify the chiral molecule in the following pair:
EASY
Give reason.
In case of optically active alkyl halides reaction are accompanied by racemization.
MEDIUM
Which of the following compound is optically inactive?
EASY
Which of the following has a chiral
EASY
Give reason:
Racemic mixture is optically inactive.
MEDIUM
Which of the following compounds will show retention in configuration on nucleophile substitution by ?
EASY
What is the condition to be satisfied for a compound to be chiral?
MEDIUM
The major product of the following reaction is:
HARD
Which of the following compound is optically inactive?
MEDIUM
Which compound is optically active?
EASY
-Bromobutane is optically active. Explain the stereo-chemical aspect of reaction of -Bromobutane with ions.
HARD
The correct statement about the following chemical reaction is
HARD
The number of chiral carbon present in peptide, is:
EASY
The number of chiral carbons present in the molecule given below is..............
