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The reaction of with HBr gives :...

The reaction of with HBr gives :

A

B

C

D

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B
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The reaction of HBr with gives

An alkyl halide (X) on reaction with ethanolic sodium hydroxide forms an alkene (Y) which on further reaction with HBr gives the same alkyl halide.The alkene (Y) on reaction with HBr/ peroxide followed by reaction with Mg metal followed by reaction with HCN produces an aldehyde (Z).Z is :

3 -Phenylpropene on reaction with HBr gives (as major product)

Assertion:Styrene on reaction with HBr gives 2-bromo-2-phenylethane. Benzyl radical is more stable than alkyl radical.

An organic compound (A) (C_(6)H_(10)O) on reaction with CH_(3)MgBr followed by acid treatment gives compound (B). The compound (B) on ozonolysis gives compound (C ), which in the presence of a base gives 1-acetyl cyclopentene (D). The compound (B) on reaction with HBr gives compound (E ). Write the structures of (A), (B), (C ), (D), and (E ). Show how (D) is formed from (C ).

Esters on reaction with EtMgBr give:

The reaction of HBr with 1-propene in the presence of peroxides will produce primarily

In the mechanism for the reaction of HBr with t - butyl alcohol, pick out the correct statement .

How may of following are redox reactions: -decomposition of magnesite. -reaction of F_(2) with HBr.

Discuss briefly, the relative rates of reaction of HBr with respect to primary, secondary and tertiary alcohols.

VMC MODULES ENGLISH-ALCOHOLS, PHENOLS & ETHERS -PRACTICE EXERCISE:1
  1. Oxo process:

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  2. on dehydration with conc. H(2)SO(4) forms predominantly :

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  3. In the reaction: CH(3)-underset(CH(3))underset(|)overset(CH(3))overset...

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  4. Reduction of gt C = O to gt CH(2) can be carried out with

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  5. The boiling points to isomeric alcohols follow the order

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  6. The acidic character of 1^(@),2^(@),3^(@) alcohls, H(2)O and RC-=CH i...

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  7. In the following reaction sequence : R-OH overset(P+I(2))rarr R-I ov...

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  8. Which of the following is the most reactive with HCl in the presence o...

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  9. Methanol is manufactured by passing ( under pressure ) a mixture of wa...

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  10. CH(3)underset(Br)underset(|)(C)HCH(3)overset("alc."//KOH)toAoverset(HB...

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  11. The compound that reacts fastest with Lucas reagent at room temperatu...

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

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  13. One of the cmmercial production methods of methanol is :

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  14. HBr reacts fastest with

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

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  16. The order of reactivity of the following alcohols towards conc. HCI is

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  17. The product of acid catalyzed hydration of 2-pheny1propene is

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  18. The best method to prepare cyclohexene form cyclohexanol is by using:

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  19. Consider the following compounds: (I) 1, 2-dihydroxy benzene (II)...

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  20. The reaction of with HBr gives :

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