An organic compound `(E)(C_(5)H_(8))`, on hydrogenation gives a compound `(F)(C_(5)H_(12))`. Compound `(E)` on ozonolysis gives formaldehyde and `2-`ketopropanal. Deduce the structure of the compouns `(E)`.

An optically active compound having molecular formula C_(8)H_(10) on ozonolysis gives acetone as one of the products. The structure of the compound is

An optically active compound having molecular formula C_(8)H_(16) on ozonolysis gives acetonic as one of the products. The structure of the compound is:

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 cyclopentane (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 ).

An organic compound (A) (C_(6)H_(10)) 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-acetylcyclo-pentene (D). The compound (B) on reaction with HBr gives (E ). Write the structures of (A), (B), (C ), and (E). Show how (D) is formed form (C ).

An compound (A ) C_(4)H_(8)Cl_(2) on alkaline hydrolysis to give compound (B ) C_(4)H_(8)O which gives an oxime and positive Tollen's reagent test . What is the structure of (A) ?

An organic compound A (C_(7)H_(6)Cl_(2)) on treatment with NaOH solution gives another compound B (C_(7)H_(6)O) . B on oxidation gives and acid C (C_(7)H_(6)O_(2)) which on treatment with a mixture of conc. HNO_(3)" and "H_(2)SO_(4) gives a compound D (C_(7)H_(5)NO_(4)) . B on treatment with conc. NaOH gives a compound E (C_(7)H_(8)O)" and "C_(6)H_(5)COONa . Deduce the structures of [A], [B], [C], [D] and [E].