An organic compound A with molecular formula `C_8H_8O` gives positive DNP and iodoform tests. It does not reduce Tollen’s or Fehling’s reagent and does not decolourise bromine water also. On oxidation with chromic acid `(H_2CrO_4)`, it gives a carboxy acid (B) with molecular formula `C_7H_6O_2`. Deduce the structure of A and B.

An acid having molecular formula C_3H_5O_2Br is optically active. What is its structure ?

An acid having molecular formula C_3H_5O_2Br is optically active. What is its structure ?

A compound Z with molecular formula C_3H_9N reacts with C_6H_5SO_2Cl to give a solid, insoluble in alkali. Identify Z.

An aromatic compound ‘A’ of molecular formula C_7H_7ON undergoes a series of reactions as shown below. Write the structures of A, B, C, D and E in the following reactions:

An organic compound ‘A’ having molecular formula C_4H_8 on treatment with dil. H_2SO_4 gives B. B on treatment with conc. HCl and anhydrous ZnCl_2 gives secondary halide C. Write all the reactions and identify A, B and C.

An organic compound A has the molecular formula C_(8)H_(16)O_(2) . It gets hydrolysed with dilute sulphuric acid and gives a carboxylic acid B and an alcohol C. Oxidation of C with chromic acid also produced B, C on. dehydration reaction gives but -l-ene. Write equations for the reactions involved.

An optically inactive compound (A) having molecular formula C_4H_11N on treatment with HNO_2 gave an alcohol (B). (B) on heating at 440 K gave an alkene (C). (C) on treatment with HBr gave an optically active compound (D)having the molecular formula C_4H_9Br . Identify A, B, C and D and write down their structural formulae. Also write equations involved.

A given nitrogen-containing aromatic compound ‘A’ reacts with Sn/HCl, followed by HNO_2 to give an unstable compound '‘B'. 'B', on treatment with phenol, forms a beautiful coloured compound 'C' with the molecular formula C_12H_10N_2O . The structure of compound 'A' is

An organic compound on analysis gave the following percentage composition of C= 57.8, H= 3.6 and the rest is oxygen. Vapour density of the compound is 83. Find out the molecular formula of the compound.

An organic compound A (C_3H_5N) on boiling with alkali gives ammonia and sodium salt of an acid B (C_3H_6O_2) . ja reduction gives C (C_3H_9N) which with nitrous acid gives D (C_3H_8O) . Give the structural formulae of A, B, C and D.