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Compound A, C8H10O is found to react w...

Compound `A, C_8H_10O` is found to react with NaOI (produced by reacting Y with NaOH) and yields a yellow precipitate with characteristic smell. A and Y are respectively

A

B

C

D

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An organic compound (A) with molecular formula C_(8)H_(8)O forms an orange-red precipitate with 2,4-DNP reagent and gives yellow precipitate on heating with iodine in the presence of sodium hydroxide. It neither reduces Tollens’ or Fehlings’ reagent, nor does it decolourise bromine water or Baeyer’s reagent. On drastic oxidation with chromic acid, it gives a carboxylic acid (B) having molecular formula C_(7)H_(6)O_(2) . Identify the compounds (A) and (B) and explain the reactions involved.

Acetophenone when reacted with a base, C_(2)H_(5)O Na , yields a stable compound which has the structure

A, B, C are with molecular formula C_(8)H_(11)N three isomeric amines. A and B react with CHCl_(3)+KOH but not C. C reacts with NaNO_(2)+HCl to give yellow oily liquid. A and B on treatment with Br_(2) and acetic acid separately produced compounds D (C_(8)H_(9)NBr_(2)) and E(C_(8)H_(8)N Br_(3)) . compound C may be

A, B, C are with molecular formula C_(8)H_(11)N three isomeric amines. A and B react with CHCl_(3)+KOH but not C. C reacts with NaNO_(2)+HCl to give yellow oily liquid. A and B on treatment with Br_(2) and acetic acid separately produced compounds D (C_(8)H_(9)NBr_(2)) and E(C_(8)H_(8)N Br_(3)) . The name of compound B is likely to be

A, B, C are with molecular formula C_(8)H_(11)N three isomeric amines. A and B react with CHCl_(3)+KOH but not C. C reacts with NaNO_(2)+HCl to give yellow oily liquid. A and B on treatment with Br_(2) and acetic acid separately produced compounds D (C_(8)H_(9)NBr_(2)) and E(C_(8)H_(8)N Br_(3)) . compound A is

Primary alkyl halide C_(4)H_(9)Br (a) reacted with alcoholic KOH to give compound (b). Compound (b) is reacted with HBr to give (c) which is an isomer of (a). When (a) is reacted with sodium metal it gives compound (d), C_(8)H_(18) which is different from the compound formed when n-butyl bromide is reacted with sodium. Give the structural formula of (a) and write the equations for all the reactions.

AAKASH SERIES-ALCOHOLS, PHENOLS AND ETHERS-ETHERS (OBJECTIVE EXERCISE-3)
  1. Consider the following reaction Phenol overset("zn dust")(to) X un...

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  2. Identify (z) in the following reaction series Ethanol overset(PB...

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  3. The compound formed by reaction of ethylene glycol and periodic acid (...

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  4. Given are cyclohexanol (I), acetic acid (II), 2, 4, 6 - trinitrophenol...

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  5. Write the common and IUPAC names of (i) CH3-CH=CH-CHO (ii) CH3-CH(...

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  6. Which of the following compounds has the most acidic nature

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  7. Which of the following compounds can be used as antifreeze in automobi...

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  8. Arrange the following in the increasing acidic strength: Phenol, o-c...

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  9. Among the following ethers, which one will produce methyl alcohol on t...

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  10. Among the following sets of reactants which one produces anisole?

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  11. Among the following ethers, which one will not be soluble in NaHCO3?

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  12. Which of the following is not the product of dehydration of

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  13. Reaction of phenol with chloroform in presence of dilute sodium hydrox...

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  14. Which of the following reaction(s) can be used for the preparation of ...

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  15. can be classified as:

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  16. Which of the following reagents would distinguish cis-cyclopenta-1, 2-...

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  17. The heating of phenyl-methyl ethers with HIS produces

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  18. Which one is the most acidic compound ?

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  19. In the reaction the electrophile involved is

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  20. Compound A, C8H10O is found to react with NaOI (produced by reacting...

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