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  • Please,please help me - Haloalkanes and Haloarenes - NEET

Which of the following reaction(s) can be used for the preparation of alkyl halides ?

  1. \text{CH}_\text{3} \text{CH}_2 \text{OH} + \text{HCl}\xrightarrow{{\text{anh}\text{. ZnCl}_\text{2} }}
  2. CH3CH2OH + HCl \rightarrow
  3. (CH3)3COH + HCl \rightarrow
  4. \text{(CH}_\text{3} \text{)}_\text{2} \text{CHOH + HCl}\xrightarrow{{\text{anh}\text{. ZnCl}_\text{2} }}
  • Option 1)

    (I), (III) and (IV) only

  • Option 2)

    (I) and (II) only

  • Option 3)

    (IV) only

  • Option 4)

    (III) and (IV) only

 

Answers (1)

best_answer

As we learnt in

General method of preparation of alkyl and aryl halides -

When alkenes treated with HX, it produces haloalkane

- wherein

CH_3-CH= CH_2 +HX \rightarrow CH_3-CH(X)-CH_3

 

 

(1)    

(2)    

(3)    

(4)    

                        


Option 1)

(I), (III) and (IV) only

This option is correct

Option 2)

(I) and (II) only

This option is incorrect

Option 3)

(IV) only

This option is incorrect

Option 4)

(III) and (IV) only

This option is incorrect

Posted by

Plabita

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