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Karnataka Board PUCPUC Science 2nd PUC Class 12

How the following conversion can be carried out? Chlorobenzene to p-nitrophenol - Chemistry

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Question

How the following conversion can be carried out?

Chlorobenzene to p-nitrophenol

Chemical Equations/Structures
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Solution

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Chapter 6: Haloalkanes and Haloarenes - Exercises [Page 191]

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NCERT Chemistry Part 1 and 2 [English] Class 12
Chapter 6 Haloalkanes and Haloarenes
Exercises | Q 6.19 (xv) | Page 191

RELATED QUESTIONS

Chlorobenzene is extremely less reactive towards a nucleophilic substitution reaction. Give two reasons for the same.


Write the final product(s) in each of the following reactions:


The presence of nitro group (−NO2) at o/p positions increases the reactivity of haloarenes towards nucleophilic substitution reactions.


Give reasons:

The dipole moment of chlorobenzene is lower than that of cyclohexyl chloride.


What is Grignard reagent?


Write chemical equation in support of your answer. 
 Out of   Cl and  CH2- Cl,  which one is more reactive towards nucleophilic substitution reaction and why? 


Out of (CH3)3 C-Br and (CH3)3 C-I, which one is more reactive towards SN1 and why? 


Assertion: Presence of a nitro group at ortho or para position increases the reactivity of haloarenes towards nucleophilic substitution.

Reason: Nitro group, being an electron-withdrawing group decreases the electron density over the benzene ring.


Which of the following compounds will give racemic mixture on nucleophilic substitution by \[\ce{OH-}\] ion?

(a) \[\begin{array}{cc}
\phantom{}\ce{CH3 - CH - Br}\\
\phantom{}|\\
\phantom{....}\ce{C2H5}\phantom{}
\end{array}\]

 

(b) \[\begin{array}{cc}
\phantom{..}\ce{Br}\\
\phantom{}|\\
\phantom{}\ce{CH3 - C - CH3}\\
\phantom{}|\\
\phantom{....}\ce{C2H5}\phantom{}
\end{array}\]

 

(c) \[\begin{array}{cc}
\phantom{....}\ce{CH3 - CH - CH2Br}\\
\phantom{}|\\
\phantom{....}\ce{C2H5}\phantom{}
\end{array}\]


Arrange the following compounds in increasing order of rate of reaction towards nucleophilic substitution.

(a)
(b)
(c)

Arrange the following compounds in increasing order of rate of reaction towards nucleophilic substitution.

(a)
(b)
(c)

\[\ce{C6H12O6 ->[(Zymase)] A ->[NaOH][\Delta] B + CHI3}\]

The number of carbon atoms present in the product B is:


Assertion: Chlorobenzene is resistant to nucleophilic substitution reaction at room temperature.

Reason (R): C–Cl bond gets weaker due, to resonance.


Why haloarenes are not reactive towards nucleophilic substitution reaction? Give two reactions.


In the reaction, \[\mathrm{CH}_3\mathrm{C}\equiv\mathrm{\overline{C}Na}^++(\mathrm{CH}_3)_2\mathrm{CHCl}\to\] the product formed is ______.


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