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Assertion( A) KCN reacts with methyl chl...

Assertion( A) KCN reacts with methyl chloride to give methyl isocyanide.
Reason (R) `CN^(-)` is an ambident nucleophile.

A

Assertion and reason both are correct and reason is correct explanation of assertion

B

Assertion and reason both are wrong statements

C

Assertion is correct but reason is wrong statement

D

Assertion is wrong but reason is correct statement.

Text Solution

Verified by Experts

The correct Answer is:
D
Assertion is wrong but reason is correct statement.
Correct Assertion KCN reacts with methyl chloride to give the mixture of methyl cyanide and methyl isocyanide in which methyl cyanide predominates because of stable C-C bond in methyl cyanide.
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NCERT EXEMPLAR-HALOALKANES AND HALOARENES-Haloalkanes And Haloarenes
  1. Cyanide ion acts as an ambident nucleophille. From which end it acts a...

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  2. Match the compounds given in column I with the effects given in Column...

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  3. Match the items of Column I and Column II

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  4. Match the structures of compounds given in Column I with the classes o...

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  5. Match the reactions given in Column I with the types of reactions give...

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  6. Match the structures given in Column I with the names in Column II

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  7. Match the reactions given in Column I with the names givn in Column II...

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  8. Assertion ( A) Phosphorus chlorides ( tri and penta) are preferred ove...

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  9. Assertion( A) The boiling points of alkyl halides decrease in the orde...

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  10. Assertion( A) KCN reacts with methyl chloride to give methyl isocyanid...

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  11. Assertion (A) tert-butyl bromide undergoes Wurtz reaction to give 2,2,...

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  12. Assertion (A) Presence of a nitro group at ortho or para position incr...

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  13. Assertion: In monohaloarenes, further electrophilic substitution occur...

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  14. Assertion: Aryl iodides can be prepared by reaction of arenes with iod...

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  15. Assertion: It is difficult to replace chlorine by -OH in chlorobenzene...

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  16. Assertion (A) Hydrolysis of (-)-2-bromooctane proceeds with inversion ...

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  17. Assertion (A) Nitration of chlorobenzene leads to the formation of m-n...

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  18. Some alkyl halides undergo substitutionn whereas some undergo eliminat...

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  19. Some halogen containing compounds are useful in daily life. Some compo...

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  20. Aryl halides are less reactive towards nucleophilic substitution react...

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