Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Isomerism

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Why nitrogen in penicillin is not chiral atom?

Important Questions on Organic Chemistry- Some Basic Principles and Techniques

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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Isomerism

How many chiral compounds are possible on monochlorination of

2

-methylbutane?

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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Isomerism

Why dextro and laevo – rotatory isomers of Butan-2-ol are difficult to separate by fractional distillation ?

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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Isomerism

Predict the stereochemistry of the product formed if an optically active alkyl halide undergoes substitution reaction by

S_{N} 1

mechanism.

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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Isomerism

Two possible stereo-structures of

C H_{3} C H O H \cdot C O O H

, which are optically active, are called:

EASY

Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Isomerism

Which of the following structures represents a chiral compound?

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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Isomerism

Define Enantiomers.

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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Isomerism

Identify the chiral molecule in the following pair:

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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Isomerism

Give reason.

In case of optically active alkyl halides $S_{N} 1$ reaction are accompanied by racemization.

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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Isomerism

Which of the following compound is optically inactive?

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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Isomerism

Which of the following has a chiral

' C' ?

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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Isomerism

Give reason:

Racemic mixture is optically inactive.

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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Isomerism

Which of the following compounds will show retention in configuration on nucleophile substitution by

{OH}^{-} ion

?

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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Isomerism

What is the condition to be satisfied for a compound to be chiral?

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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Isomerism

The major product of the following reaction is:
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HARD

Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Isomerism

Which of the following compound is optically inactive?

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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Isomerism

Which compound is optically active?

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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Isomerism

2

-Bromobutane is optically active. Explain the stereo-chemical aspect of

{S_{N}}^{1}

reaction of

2

-Bromobutane with

{OH}^{-}

ions.

HARD

Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Isomerism

The correct statement about the following chemical reaction is

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HARD

Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Isomerism

The number of chiral carbon

(s)

present in peptide,

Ile -

Arg - Pro,

is:

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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Isomerism

The number of chiral carbons present in the molecule given below is..............

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