Trans-3,6-Dimethyl oct-4-ene (A) exists in two diastereomers I and II . Which statements is true about I and II ?

(I) is optically active and (II) is not.

(II) is optically active and (I) is not.

Both are optically inactive due to the presence of centre of symmetry.

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Enantiomers have the same physical properties.

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Important Questions on Organic Chemistry- Some Basic Principles and Techniques

HARD

Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Some Other Terms Related to Stereoisomers

For the given compound X, the total number of optically active stereoisomers is ____.

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MEDIUM

Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Some Other Terms Related to Stereoisomers

Among the following, the conformation that corresponds to the most stable conformation of meso-butane-

2, 3

-diol is

MEDIUM

Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Some Other Terms Related to Stereoisomers

the double bonds are

EASY

Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Some Other Terms Related to Stereoisomers

Indigo shows cis-trans isomerism. Which is the stable form of Indigo

HARD

Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Some Other Terms Related to Stereoisomers

The total number of optically active alkynes having molecular formula

C_{3} F C B r I

MEDIUM

Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Some Other Terms Related to Stereoisomers

Represent the union of two sets by Venn diagram for each of the following.

$X = {x | x$ is a prime number between $80$ and $100}$

$Y = {y | y$ is an odd number between $90$ and $100}$

MEDIUM

Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Some Other Terms Related to Stereoisomers

The number of possible stereoisomers of the compound

C H_{3} - C H = C H - C H_{3}

MEDIUM

Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Some Other Terms Related to Stereoisomers

According to Cahn-Ingold-Prelog sequence rules, the correct order of priority for the given groups is

MEDIUM

Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Some Other Terms Related to Stereoisomers

(+) - mandelic acid has a specific rotation of 158^o. What would be the observed specific rotation of a mixture of 25% (-) - mandelic acid and 75% (+) - mandelic acid ?

HARD

Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Some Other Terms Related to Stereoisomers

Which of the following is optically active

MEDIUM

Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Some Other Terms Related to Stereoisomers

Which of the following molecules are chiral ?

I. Trans-1-chloro-2-methylcyclopropane

II. Cis-1-chloro-2-methylcyclopropane

III. 1-chloro-1-methylcyclopropane

IV. Cis-1, 2-dichlorocyclopropane

EASY

Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Some Other Terms Related to Stereoisomers

The optically inactive compound from the following is:

MEDIUM

Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Some Other Terms Related to Stereoisomers

Which of the following are optically active ?

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EASY

Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Some Other Terms Related to Stereoisomers

What observed rotation is expected if a

1.5 M

solution of (R)-2-butanol is mixed with an equal volume of a

0.75 M

solution of racemic 2-butanol and the resulting solution is analyzed in a sample container that is 1 dm long ? The specific rotation of (R)-2-butanol as