A compound `A (C_2H_4O_2)` reacts with Na metal to form a compound 'B' and evolved a gas which burns with a pop sound. Compound 'A' on treatment with an alcohol 'C' in presence of an acid forms a Sweet smelling compound 'D' `(C_4H_8O_2)`. On addition of NaOH to 'D' gives back B and C. Identify C and D write the reactions involved.

A compound A (C_(2)H_(4)O_(2)) reacts with Na metal to form a compound 'B' and evolves a gas which burns with a pop sound. Compound 'A' on treatment with an alcohol 'C' in the presence of an acid forms a sweety smelling compound 'D' (C_(4)H_(8)O_(2)) . On addition of naoH to 'D' gives back B and C. Identify A,B,C and D. Write the reaction involved. OR (a) Explain why carbon forms covalent bond? Give two reasons for carbon forming a large number of compounds. (b) Explain the structure of ammonia molecule.

A compound C (molecular formula, C_(2)H_(4)O_(2) ) reacts with Na-metal to form a compound R and evolves a gas which burns with a pop sound. Compound C on treatment with an alcohol A in presence of an acid forms a sweet smelling compound S (molecular formula C_(3)H_(6)O_(2) ). On addition of NaOH to C, it also gives R and water. S on treatment with NaOH solution gives back R and A. Identify C, R, A, S and write down the reactions involved.

A compound 'P' having molecular formula, C_3 H_6 O_2 reacts with Na metal to form a compound 'Q' and evolves a gas which burns with a pop sound. Compound 'P' on treatment with an alcohol 'R' in presence of an acid forms a sweet smelling compound 'S' having molecular formula, C_5 H_(10) O_2 . On addition of NaOH to 'P', it gives 'Q' and water. 'S' on treatment with NaOH solution gives back 'Q' and 'R'. Identify P, Q, R and S.

A compound C (molecular formula, C_(2)H_(4)O_(2) ) reacts with Na metal to form a compounds R and evolves a gas which burns with a pop sound. Compound C on treatment with an alcohol A in the presence of an acid form a sweet smelling compound S (molecular formula, C_(3)H_(6)O_(2)) . On addition of NaOH to C, it also gives R and water.S on treatment with NaOH solution gives back R and A. Identify C,R,A,S and write down the reactions involved.

An element A reacts with water to form a compound B which is used in white washing. The compound B on heating forms an oxide C which on treatment with water gives back B. Identify A, B and C and give the reactions involved.

An element A reacts with water to form a compound B which is used in white washing. The compound B on heating forms an oxide C which on treatment with water gives back B. Identify A, B and C and gives the reactions involved.

A compound (A) of boron reacts with NMe_(3) to give an adduct (B) which on hydrolysis gives a compound (C ) and hydrogen gas. Compound (C ) is a acid. Identify the compounds A, B and C. Give the reactions involved.

An organic compound A (C_(2)H_(6)O) reacts with sodium to form a compound B with the evolution of H_(2) and gives a yellow compound C on reacting with iodine and NaOH. When heated with conc. H_(2)SO_(4) at 413 K, it gives a compound D (C_(4)H_(10)O) which on reaction wiht conc. HI at 373 K gives compound E. The compound D is also obtained when B is heated with E. Idntify the compounds A,B,C,D and E write the equations for the reaction involved.

A hydrocarbon 'A' (C_(4)H_(8)) on reaction HCl gives a compound 'B', (C_(4)H_(9)Cl) which on reaction with 1 mol of NH_(3) gives compounds 'C' (C_(4)H_(11)N) . On reacting with NaNO_(2) and HCl followed by treatment with water compound 'C' yields an optically active alcohol, 'D'. Ozonolysis of 'A' given 2mols of acetyldehyde. Identify compound 'A' to 'D'. Explain the reaction involved.

A compound (A) on oxidation gives B (C_(2)H_(4)O_(2)) . (A) also reacts with dil. NaOH and on subsequent heating forms (C). The compound (C) on catalytic hydrogenation gives (D). Identify A, B, C, D and write down the reactions involved.