An organic compound `C_(3)H_(8)O_(3)` yields on acetylation with acetic anhydride `C_(9)H_(14)O_(6)`. How many `-OH` groups are present in the substance ? What is the possible structure ?

An organic compound , C_(3)H_(6)O does not react with 2, -4 - dinitrophenyl hydrazine and also does not react with metaliic sodium . It may be :

How many chain isomers are possible for the alkane C_(6)H_(14) ?

An aromatic compound A of the molecular formula C_(8)H_(10)O on reaction with iodine and dilute NaOH gives a yellow precipitate. The structure of the compound is expected to be :

0.40 g of an organic compound (A), (M.F. C_(5)H_(8)O ) reacts with x mole of CH_(3)MgBr to liberate 224 mL of a gas at STP. With excess of H_(2) , (A) given pentan-1-ol. The correct structure of (A) is :

A compound X with molecular formula C_(3)H_(8)O can be oxidised to a compound Y with the molecular formula C_(3)H_(6)O_(2) . X is most likely to be :

An organic compound P having molecular formula C_(6)H_(4)N_(2)O_(4) is insoluble in both dilute acid and base and its dipole moment is zero. Its structure is :

An optically active compound C_(6)H_(12)O gives positive test with 2, 4-dinitrophenyl hydrazine, but negative with Tollens' reagent, what is the structure of the compound ?