EASY
Earn 100

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


(a)

(b)

(c)

(d)


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Important Questions on Organic Chemistry- Some Basic Principles and Techniques
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In an reaction, the group that leaves the substrate is called a leaving group. The ease of departure of leaving group is determined on the basis of acidity of the conjugate acid of the leaving group. The stronger the conjugate acid, the better is the leaving group. The compound having the best leaving group is

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

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The correct order of nucleophilicity is

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Consider the following compounds

Hyperconjugation occurs in:

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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?

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Which of the following molecules is least resonance stabilized?

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Which among the following is a set of nucleophiles?

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The indicated atom is not a nucleophilic site in

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

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

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In pyrrole, the electron density is maximum on


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The order of stability of the following carbocations:


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In which of the following molecules, all atoms are coplanar?

MEDIUM
The stability of carbocations
follows the order

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

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 :

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The correct statement regarding electrophiles is:

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


