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Racemic mixture is formed by mixing two

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Important Questions on Isomerism in Organic Compounds

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How many chiral compounds are possible on monochlorination of 2-methylbutane?
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Why dextro and laevo – rotatory isomers of Butan-2-ol are difficult to separate by fractional distillation ?

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Predict the stereochemistry of the product formed if an optically active alkyl halide undergoes substitution reaction by SN1 mechanism.
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Two possible stereo-structures of CH3CHOHCOOH , which are optically active, are called:
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Which of the following structures represents a chiral compound?
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Identify the chiral molecule in the following pair:

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Give reason.

In case of optically active alkyl halides SN1 reaction are accompanied by racemization.

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Which of the following compound is optically inactive?
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Give reason:

Racemic mixture is optically inactive.

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Which of the following compounds will show retention in configuration on nucleophile substitution by OH- ion?
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What is the condition to be satisfied for a compound to be chiral?
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The major product of the following reaction is:
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HARD

Which of the following compound is optically inactive?

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2-Bromobutane is optically active. Explain the stereo-chemical aspect of SN1 reaction of 2-Bromobutane with OH- ions.
HARD

The correct statement about the following chemical reaction is

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The number of chiral carbon(s) present in peptide, Ile-Arg-Pro, is: 
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The number of chiral carbons present in the molecule given below is..............

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