Compound of molecular formula C(7)H(8)O ...

Compound of molecular formula `C_(7)H_(8)O` is a sweet smelling liquid. A on reaction with acidified `K_(2)Cr_(2)O_(7)` gives compound B of molecular formula `C_(7)H_(8)O`. B reduces Tollen's reagent A and B are respectively.

benzaldehyde and benzoic acid

Methyl phenylcarbinol and acetophenone

benzyl alcohol and benzaldehyde

diphenyl carbinol and benzophenone

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Compound A of molecular formula C_(7)H_(6)O reduces Tollen's reagent when A reacts with 50% NaOH gives compound B of molecular formula C_(7)H_(8)O and C of molecular formula C_(7)H_(5)O_(2)Na Compound C on tretatment with dil HCL gives compound D of molecular formula C_(7)H_(6)O_(2) . when D is heated with sodalime gives compound E. Identify A, B, C,D & E. write the corresponding equations .

Compound (A) of molecular formula C_(7)H_(8) when treated with air in presence of V_(2)O_(5) at 773 K gives a compound (B) of molecular formula C_(7)H_(6)O , which has the smell of bitter almonds. Alkaline KMnO_(4) oxidises compound (B) to ( C) of molecular formula C_(7)H_(6)O_(2) . Compound (B) on treatment with N_(2)H_(4) and KOH gives back compound (A). Identify (A), (B) & ( C) and explain the reactions.

Compound A of molecular formula C_(3)H_(6)O does not reduce Tollen's reagent and Fehling's solution. Compound A undergoes Clemmensed reduction to give compound B of molecular formula C_(3)H_(8) . Compound A in the presence of conc. H_(2)SO_(4) condenses to give an aromatic compound C of molecular formula C_(9)H_(12) . Identify A, B and C. Explain the reactions.

An organic compound of molecula formula C_(6)H_(5)O"Na" is heated with CO_(2) at 400 K gives compound (A) of molecular formula C_(7)H_(5)O_(3)Na . Compound (A) on treating with HCl gives (B). B on further reactions wiith NaOH / CaO gives compound (C ) of molecular formula C_(6)H_(6)O which on treatment with nitrous acid at 200 K gives compound (D ). Identify (A), (B) , ( C) and (D) are explain the reactions.

SURA PUBLICATION-HYDROXY COMPOUNDS AND ETHERS -ADDITIONAL QUESTIONS AND ANSWERS

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