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Haloalkanes and Haloarenes
Question
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What are nucleophiles? Give some examples of nucleophiles.

Answer

Nucleophile is molecule or ion which have ability to donate it electron. A nucleophile has affection for a positively charged centre. The nucleophile is contained in nucleophilic reagent (nucleo = + ve centre, philic = liking, love affection).  
 
Examples of nucleophiles and nucleophilic reagents.

Reagent

KOH

KI

KCN

NH3

NaSR

AgNO2

KNO2

Nucleophile

OH-

I–

CN-

NH3

SR-

NO2-

ONO- 

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Some More Questions From Haloalkanes and Haloarenes Chapter

Write structures of the following compounds:
1-Bromo-4-sec butyl-2-methyl benzene.

Why is sulphuric acid not used during the reaction of alcohols with KI?

Write structures of different dihalogen derivatives of propane.

Among the isomeric alkanes of molecular formula C5H12, identify the one that on photochemical chlorination yields:

i) A single monochloride.

Among the isomeric alkanes of molecular formula C5H12, identify the one that on photochemical chlorination yields:

i)Three isomeric monochlorides.

Among the isomeric alkanes of molecular formula C5H12, identify the one that on photochemical chlorination yields:
Four isomeric monochlorides.

Draw the structures of major monohalo products in each of the following reactions:

Draw the structures of major monohalo products in each of the following reactions:

Draw the structures of major monohalo products in each of the following reactions:

Draw the structures of major monohalo products in each of the following reactions: