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Carbon atom holding halogen in aryl hali...

Carbon atom holding halogen in aryl halides is

A

`sp^2` hydridised

B

sp hybridised

C

`sp^3` hybridised

D

`sp^3` d hybrididised

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The correct Answer is:
A
In aromatic (or) ary halide , halogen is attached to `sp^2` carbon
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Carbon atom holding halogen in alkyl halide is

Assertion: Aryl undergoes nucleophilic substitution with ease Reason The carbon halogen bond in aryl halides has partial double bond character .

Assertion: Aryl halides undergo nucleophilic substitution reactions with ease. Reason:The carbon halogen bond in aryl halides has partial double bonds character.

Preparation of aryl halides

Read the passage given below and answer the following questions: Alkyl/Aryl halides may be classified as mono, di or polyhalogen compounds depending on one, two or more halogen atoms in their structures. Alkyl halides are prepared by free radical halogenation of alkanes, addition of halogen acids to alkenes and replacement of -OH group of alcohols with halogens using phosphorus halides, thionyl chloride or halogen acids. Aryl halides are prepared by electrophilic substitution to arenes. The following questions are multiple choice questions. Choose the most appropriate answer: Which of the following is halogen exchange reaction ?

NARAYNA-HALOALKANE AND HALOARENES-EXERCISE - I (H.W)
  1. C-Cl bond of chlorobenzene in comparison to C-Cl bond of methyl chlori...

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  2. IUPAC name is

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  3. Carbon atom holding halogen in aryl halides is

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  4. The following is aryl alkyl halide

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  5. C2H5OHoverset(PCl5)rarrX. In this reaction 'X' is

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  6. Thionyl chloride is preferred in the preparation of chloro compound fr...

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  7. The only alkene which gives primary alkyl halides on hydrohalogenation

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  8. -OH can be replaced by -Cl if we use

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  9. Which one of the following has the lowest boiling point ?

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  10. Chloroethane is reacted with alcoholic potassium hydroxide . The produ...

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  11. What is X in the following reaction ? C2H5Cl+XrarrC2H5OH+KCl

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  12. Which of the following acids will give maximum yield of alkyl chloride...

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  13. In the reaction sequence C2H5Cl+KCNoverset(C2H5OH)rarrX What is th...

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  14. Ethyl chloride on heating with AgCN fonns a compound (X ). The functio...

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  15. With Zn - Cu couple and C2H5OH , ethyl Iodide reacts to give

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  16. In the dehydrohalogenation of ethyl chloride the following change occu...

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  17. The reaction C2H5Cl+OH^(-) rarr C2H5OH+Cl^(-) is

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  18. (R ) -2- Octy tosylate is sololyzed in water under ideal S(N^(1)) cond...

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  19. The absolute configuration of a molecule changes during the reaction.

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  20. For a uncleophillic substitution reaction the rate was found in the or...

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