HARD
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Which one of the nitrogen atoms in 
is the most nucleophilic?
(a)III
(b)I
(c)II
(d)All three N atoms

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Important Questions on Organic Chemistry- Some Basic Principles and Techniques
MEDIUM
The correct order of nucleophilicity is

EASY
In electrophilic aromatic substitution reactions of chlorobenzene, the ortho/para-directing ability of chlorine is due to its

EASY
For the following reaction, identify the carbonyl compound that shows the highest reactivity.

EASY
Consider the following compounds

Hyperconjugation occurs in:

MEDIUM
The increasing order of nucleophilicity of the following nucleophiles is;


HARD
A solution of in toluene racemises slowly in the presence of a small amount of SbCl5, due to the formation of :

HARD
What will be the correct nucleophilicity order in protic or aprotic solvents?

MEDIUM
The hyperconjugative stabilities of tert-butyl cation and 2-butene, respectively, due to

EASY
Which among the following is a set of nucleophiles?

EASY
The indicated atom is not a nucleophilic site in

MEDIUM
In which of the following compounds, the bond ionization shall give most stable carbonium ion?

EASY
Which of the following statements is not correct for a nucleophile?

EASY
In pyrrole, the electron density is maximum on


EASY
The order of stability of the following carbocations:


MEDIUM
Which of the following molecules is least resonance stabilized?

MEDIUM
The compound that is most difficult to protonate is:

MEDIUM
In which of the following pairs is more stable than

MEDIUM
Given below are two statements :
Statement I : and both can generate nucleophile.
Statement II : and both will generate nitrile nucleophile with all reaction conditions.
Choose the most appropriate option :

EASY
The correct statement regarding electrophiles is:

MEDIUM
The correct sequence of reagents for the following conversion will be


