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When A given bel,ow reacts with HI produ...

When A given bel,ow reacts with HI products is B and not C. Explain

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The correct Answer is:
Bond energy of C (vinylic )-Obond `(alpha)` is greater than that of C(alkylic)-O bond `(beta)`. Hence, when A reacts with Hi, bond `beta` forming B.
`(##ALN_CHM_C09(II)_S01_426_A01##)`
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ALLEN-ALKENE, ALKANE & ALKYNE -EXERCISE-4[B]
  1. Give the product of the reaction of Ph(2)CHCH(2)OH with HBr and explai...

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  2. Hydration of 3-phenylbut-1-ene in dil H(2)So(4) will give mainly :

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  3. When A given bel,ow reacts with HI products is B and not C. Explain

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  4. Isotopic carbon-14 in (A) appears at new position (As in B) (A) reacts...

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  5. Complete the following reaction

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  6. Complete the following reactions CH(3)CH=CH(2)overset(mCPBA)rarr A ...

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  7. In the following dehydration of diol with H(3)PO(4) following product ...

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  8. In the following S(N)1 reaction: underset(S(N)1)overset(OH^(o+))rar...

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  9. Identify (A) to (C) as reactant, reagent, product as name of the react...

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  10. Two different Grignard reagents (X) and (Y ) produce C(6)H(5)CH(2)C(CH...

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  11. (a) 2-methyl-1,3-cyclohexanedione is more acidic than cyclohexane - ex...

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  12. A substance C(5)H(10)O does not reduce Fehling's solution, forms a phe...

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  13. Convert PhCHO into PhCH=CHCOPh

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  14. A ketone [A] which undergoes haloform reactions gives compound [B] on ...

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  15. The sodium salt of a carboxylic acid (A) was produced by passing a gas...

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  16. Give reasons for the following: (a) Ketones are less electrophilic t...

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  17. Identify A, B and C ?

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  18. Identify A to E

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  19. CH(3)COO^(-) (acetate ion) is more stable than C(2)H(5)O^(-) (ethoxide...

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  20. Which is more reactive in each pair towards S(N) reaction ? (A) CH(3...

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