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Karnataka Board PUCPUC Science 2nd PUC Class 12

Which of the following compounds can be classified as aryl halides? (i) -p-ClCX6HX4CHX2CH(CHX3)X2 (ii) -p-CHX3CHCl(CX6HX4)CHX2CHX3 (iii) -o-BrHX2C−CX6HX4CH(CHX3)CHX2CHX3 (iv) CX6HX5−Cl

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Question

Which of the following compounds can be classified as aryl halides?

(i) \[\ce{p-ClC6H4CH2CH(CH3)2}\]

(ii) \[\ce{p-CH3CHCl(C6H4)CH2CH3}\]

(iii) \[\ce{o-BrH2C - C6H4CH(CH3)CH2CH3}\]

(iv) \[\ce{C6H5 - Cl}\]

Short/Brief Note
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Solution

(i) \[\ce{p-ClC6H4CH2CH(CH3)2}\]

(iv) \[\ce{C6H5 - Cl}\]

Explanation:

(i) 

(ii)  

(iii)  

(iv)  

In compound (i) and compound (iv), halogen atom is directly bonded to aromatic ring therefore these compounds are classified as aryl halides.

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Chapter 10: Haloalkanes and Haloarenes - Exercises [Page 142]

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NCERT Exemplar Chemistry Exemplar [English] Class 12
Chapter 10 Haloalkanes and Haloarenes
Exercises | Q II. 41. | Page 142

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