An organic compound (A) of molecular formula `C_7H_7NO`, on treat-ment with `P_2O_5` provides (B). Reaction of both (A) and (B) with `LiAIH_4` gives (C). Acid hydrolysis of both (A) and (B) affords benzoic acid. Identify (A), (B) and (C) with reason.

An organic compound (A) of molecular formula C_7H_7NO , on treatment with P_2O_5 produces (B). Reaction of both (A) and (B) with LiAlH_4 gives (C ). Acid hydrolysis of (A) and (B) affords benzoic acid. Identify A, B and C. Write the name and structure of the monomer of natural rubber.

An organic compound (A) of molecular formula C_7H_7NO , on treatment with P_2O_5 produces (B). Reaction of both (A) and (B) with LiAlH_4 gives (C ). Acid hydrolysis of (A) and (B) affords benzoic acid. Identify A, B and C. Define peptide bond with an example.

An organic compound (A) of molecular formula C_7H_7NO , on treatment with P_2O_5 produces (B). Reaction of both (A) and (B) with LiAlH_4 gives (C ). Acid hydrolysis of (A) and (B) affords benzoic acid. Identify A, B and C. convert: Glucose → Glucosazone

An organic compound has the molecular formula C_2H_4O_2 . Write the structures and names of two compounds with this formula.

An organic compound (A) with molecular formula C_(6)H_(7)N gives (B) with HNO_(2)//HCl at 273 K. The aqueous solution of (B) on heating gives compound (C) which gives violet colour with neutral FeCl3. Identify the compounds A, B and C and write the equations.

An organic compound A (molecular formula C_2H_4O) on reaction with excess formaldehyde in presence of Ca(OH)_2 provides B (molecular formula C_4H_(12)O_4) . A on reaction with AI(Oet)_3 gives C (molecular formula C_4H_8O_2) .Both A and C on treatment with LiAIH_4 in dry ether furnish the same compound D (molecular) formula C_2H_6O ). A on reaction with ammoniacal AgNO_3 gives E (molecular formula C_2H_7NO_2 ). Reaction of A with D in presenece of dry HCI provides F (molecular formula C_6H_(14)O_2 ). Write down the structures of A to F along with the arrow head equation for the above reactions.

A compound [A] with molecular formula C_(5)H_(10)O gave a positive 2,4 -D.N.P. Test but a negtive Tollen's test. It was oxidised to carboxylic acid [B] with molecular formula C_(3)H_(6)O_(2) when treated with alkaline KMnO_(4) under vigorous conditions. Sodium salt of [B] gave a hydrocarbon [C] on Kolbe's electrolyte reaction. Identify [A],[B] and [C] and write the chemical equations for the reactions.

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 Baeyerâs 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.