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Which one of the following compounds wil...

Which one of the following compounds will be most readily dehydrated ?

A

B

C

D

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Dehydration of alcohol is best upon the stability of carbonium ion of alcohol which are obtained after elimination of `OH^(_)` ion. Stability order `t - gt - gt p-`carbonium ion. The stability of carbonium ion is also increased by means of electron donating group. As an electron withdrawing group next to the carbon from where the hydrogen is lost makes the carbonium ion more stable.
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VMC MODULES ENGLISH-ALDEHYDES,KETONES & CARBOXYLIC ACIDS -EXAMPLE 1
  1. The reagent with which both acetaldehyde and acetone react easily is

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  2. A compound that gives a positive iodofrm test is :

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  3. When acetaldehyde is heated with Fehling's solution it gives a precipi...

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  4. Cannizzaro's reaction is not given by …..

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  5. The compound that will not give iodoform on treatement with alkali and...

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  6. Which of the following compounds is oxidised to prepare methyl ethyl k...

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  7. m-Chlorobenzaldehyde on reaction with concentrated KOH at room temera...

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  8. In Cannizzaro reaction given below : 2PhCHO overset(: OH^(-)) to ...

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  9. Which of the following will react with water to form a stable hydrate-

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  10. The enol form of acetone after treatment with D(2)O gives:

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  11. Which of the following has the most acidic hydrogen ?

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  12. The appropriate reagent for the following transformation is :

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  13. Which one of the following compounds will be most readily dehydrated ?

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  14. A mixture of benzaldehyde and formaldehyde on heating with aqueous NaO...

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  15. Compound (X) with molecular formula C(3)H(8)O is treated with acidifie...

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  17. Ph - C -= C-CH(3) overset(Hg^(2+)//H(2)SO(4)(aq)) to A The major pro...

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  18. The order of reactivity of Phenyl magnesium bromide (PhMgBr) with the ...

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  19. How will you convert butan -2-one to propanoic acid ?

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