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 treatement with an alcohol A in presence of an acid forms a sweet smelling compounds S (molecular formula $C_{3} H_{6} O_{2}$ ). On addition of NaOH to C, it also gives R and water, S on treatement with NaOH solution gives back R and A.
Identify C, R, A, S and write down the reactions involved.

Open in App

Solution

As Compound C evolve a gas which burn with pop sound, i.e. the gas is $C O_{2}$ . Therefore, C is Ethanoic acid.
R- Sodium salt of ethanoic acid (sodium acetate) and gas evolved is hydrogen
A-Methanol
S-Ester (Methyl acetate)
(a) $2 C H_{3} C O O H (c) + 2 N a \to 2 C H_{3} C O O N a (R) + H_{2}$
(b) $C H_{3} C O O H (c) C o n c . H_{2} S O_{4} \to C H_{3} C O O C H_{3} (s) + H_{2} O$
(c) $C H_{3} C O O H (c) + N a O H C o n c . H_{2} S O_{4} \to C H_{3} C O O N a (R) + H_{2} O$
(d) $C H_{3} C O O C H_{3} (c) + N a O H \to C H_{3} C O O N a (R) + C H_{3} O H (A)$

Suggest Corrections

Similar questions

Q. Question 52
A compounds 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 acid forms a sweet smelling compound S (molecular compounds

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.

Q. An organic compound A (molecular formula C₂H₄O₂) 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 a little of concentrated sulphuric acid forms a sweet-smelling compound D (molecular formula C₃H₆O₂). Compound D on treatment with NaOH solution gives back B and C. Identify A, B, C and D.

An organic compound A (molecular formula $C_{2} H_{4} O_{2})$ 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 a little of concentrated sulphuric acid forms a sweet-smelling compound D (molecular formula $C_{2} H_{6} O_{2})$ . Compound D on treatment with NaOH solution gives back B and C. Indentity A, B, C and D.