For the following reactions: a. CH 3 CH 2 CH 2 Br + KOH → CH 3 CH = CH 2 + KBr + H 2 O b. c. Which of the following statements is correct?

a is elimination, b is substitution and c is addition reaction.

a and b are elimination reactions and c is addition reaction.

a is elimination, b and c are substitution reactions.

a is substitution, b and c are addition reactions.

EASY

Earn 100

Write the enantiomeric forms of Bromochlorofluoromethane. Assign each enantiomer with ( $R$ ) or ( $S$ ) designation.

Important Questions on Organic Chemistry- Some Basic Principles and Techniques

EASY

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

Identify the following compound which exhibits geometrical isomerism:

MEDIUM

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

The absolute configurations of the following compounds Question Image respectively, are

MEDIUM

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

Which of the following compounds is (S)-

4

-chloro-l-methylcyclohexene?

EASY

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

Which of the following compound does not show geometircal isomerism?

EASY

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

In the following structure, the double bonds are marked as

I, II, III

and

IV

Geometrical isomerism is not possible at the site(s):

MEDIUM

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

The total number of possible four membered ring cis and trans isomers for the molecular formula

C_{4} H_{6} {Cl}_{2}

is ________

EASY

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

The configuration of the compound

Question Image

HARD

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

What is the

R

and

S

configuration for each stereogenic centre in this sugar from top to bottom?

Question Image

HARD

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

Among

(a) - (d),

the complexes that can show geometrical isomerism are:

(a)

{[P t {(N H_{3})}_{3} C l]}^{+}

(b)

{[P t (N H_{3}) C l_{5}]}^{-}

(c)

[P t {(N H_{3})}_{2} C l (N O_{2})]

(d)

{[P t {(N H_{3})}_{4} C l B r]}^{2 +}

EASY

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

Among the following compounds, geometrical isomerism is exhibited by :

EASY

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

Write R/S configurations of

Question Image

EASY

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

In assigning R-S configuration which among the following groups has highest priority?

HARD

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

Among the following structures, which will show the most stable enamine formation?

(Where $Me$ is $- {CH}_{3}$ )

MEDIUM

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

The number of acyclic structural isomers (including geometrical isomers) for pentene are

EASY

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

The number of geometrical isomers of

{CH}_{3} CH = CH - CH = CH - CH = CHCl

EASY

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

For the following reactions:
a.

{CH}_{3} {CH}_{2} {CH}_{2} Br + KOH \to {CH}_{3} CH = {CH}_{2} + KBr + H_{2} O

Which of the following statements is correct?

MEDIUM

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

In case of R, S configuration the group having highest priority is-

MEDIUM

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

Which of the following compounds shows geometrical isomerism?

EASY

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

Among the following compounds, E/Z isomerism is possible for

MEDIUM

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

Which of the following compounds will exhibit geometrical isomerism?

Write the enantiomeric forms of Bromochlorofluoromethane. Assign each enantiomer with (R) or (S) designation.

Important Questions on Organic Chemistry- Some Basic Principles and Techniques

Learn and Prepare for any exam you want !

Write the enantiomeric forms of Bromochlorofluoromethane. Assign each enantiomer with ( $R$ ) or ( $S$ ) designation.