BY CONTROLLED OXIDATION:

CHEMICAL REACTIONS- COMBUSTION+CONTROLLED OXIDATION+ISOMERISATION

An organic compound A with molecular formula C_2 H_7 N on reaction with nitrous acid gives a compound B.B on controlled oxidation gives a compound C. C reduces Tollens' reagent to give silver mirror and D. B reacts with D in the presence of concentrated sulfuric acid to give a sweet smelling compound E. Identify A, B, C, D and E. Give the reaction of C with ammonia and name the product.

Compound (A), C_(8)H_(6)NOBr , is optically active. Reduction of (A) gives (B) which reacts with nitrouos acid to form (C), dihydric alcohol. Benzene sulphonyl chloride reacts with (B) to give a product soluble in NaOH. Hydrolysis of (A) gives (D) which is an optically active acid. (A) does not give any precipitate with aqueous AgNO_(3) . Controlled oxidation of (A) gives monobromo benzoic acid. Compound (A) on reaction with Br_(2)//Fe gives only one compound. Identify (A), (B), (C), and (D).

An orgnic compound (A) contains 79.25% C, 5.66% H, and 15.09% O. It has a vapour density of 53 and reduces the Tollens reagent. Action of NaOH on (A) produces (B) and (C ). (B) on controlled oxidation gives (A) which on further oxidation produces (C ). (C ) on distillation with PCl_(5) gives (D). (D) reacts with aq. NH_(3) giving (E ) which reacts with NaOH and Br_(2) forming (F). The latter on reaction which hypo-phoshorus acid yield (H). Identify the compounds (A) to (H).

Method Of Preparations|Question|Kolbe's Electrolytic Method|Physical Properties|Chemical Properties|Halogenation|Mechanism|Combustion|Controlled Oxidation|Isomerisation|Aromatization|Reaction With Steam|Pyrolysis|Structure Of Double Bond|Preparation Of Alkenes|Summary

Read the passage given below and answer the following questions: Aldehydes, ketones and carboxylic acids are few of the major classes of organic compounds containing carbonyl group. Aldehydes are prepared by dehydrogenation or controlled oxidation of primary alcohols and controlled or selective reduction of acyl halides. Ketones are prepared by oxidation of secondary alcohols and hydration of alkynes. Carboxylic acids are prepared by the oxidation of primary alcohols, aldehydes and alkenes by hydrolysis of nitriles and by treatment of Grignard reagents with carbon dioxide. Name the main compounds A and B formed in the following reaction: CH_3CN underset((ii) H_2O^(+) ) overset( (i) CH_3MgBr) to A overset( Zn( Hg) //conc. HCl) to B

IPM is........... (A) Indian Pest Control Management (B) Intimation Pest Control Management (C) Integrated Pest Control Management (D) Insect Pest Control Management

In human beings DNA controls the characters whereas in viruses . controls the character