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.

A compound C [molecular formula C_2H_4O_2 ] reacts with Na. metal to form a compound R and evolves a gas which burns with pop sound. Compound C on treatment with alcohol A in the presence of an acid forms a sweet-smelling compound S [molecular formula C_3H_6O_2 ]. On addition of NaOH to C, it also gives R and water. S on treatment with NaOH solution gives back Rand A. Identify C, R, A, and S and write 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.

Compound having molecular formula C_(3)H_(6)O_(2) is:-

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.

An aromatic compound 'A' having molecular formula C_(7)H_(6)O_(2) on treating with aqueous ammonia and heating forms compounds 'B'. The compound B on reaction with molecular bromine and potassium hydroxide provides compound 'C' having molecular formula C_(6)H_(7)N . The structure of 'A' is :