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Vinylic halides are unreactive towards n...

Vinylic halides are unreactive towards nucleophilic substitution because of the following except :

A

C - halogen bond is strong

B

The halogen is bonded to `sp^(2)` carbon

C

A double bond character is developed in the carbon-halogen bond by reasonance

D

Halide ions are not good leaving groups

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The correct Answer is:
D
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Which is least reactive towards nucleophilic substitution (S_(N^(2)))

MOTION-ALKYI HALIDE-Exercise - 1 (Chemical Reaction Of Alkyl Halide)
  1. The S(N)^(2) reactivity order for halides :-

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  2. In S(N)^(1) reaction, the first step involves the formation of -

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  3. The rate law for the reaction, RCl + Na (a) rarr ROH + NaCl is given b...

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  4. Chlorobenzene is -

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  5. Vinylic halides are unreactive towards nucleophilic substitution becau...

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  6. When an alkyl halide reacts with an alkoxide, the product is-

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  7. CH(3)-underset(CH(3))underset(|)(CH)-underset(Br)underset(|)(CH)-CH(3)...

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  8. (A)overset(CI(2)//\hV)rarr (B) overset(aq.KOH)rarr(C)overset([O])rarr ...

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  9. An alkyl halide reacted with a metal cyanide to give an alkanenitrile....

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  10. A strong solution of alcoholic alkali will preferentially promote alky...

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  11. When ethyl bromide is treated with moist Ag(2)O main product is//are.

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  12. A carbon compound A forms B with sodium metal and again A forms C with...

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  13. Action of alcoholic AgNO(3) on chlorobenzene is similar to the action ...

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  14. The number of steps involved in S(N)^(1) and S(N)^(2) mechanisms are g...

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  15. Tertiary butyl halide on boiling with water gives tertiary butyl alcoh...

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  16. Inversion of configuration of the product alcohol during the hydrolysi...

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  17. Which one of the following pairs of reaction types included in the rea...

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  18. An alkyl isocyanide is prepared by -

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  19. CH(3)Broverset("AgCN")rarrA overset(H(2)O^(+))rarrB,[B] is

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  20. Reaction of ethyl bromide and silver acetate gives –

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