Question

A compound A having formula C2H6O reacts with a compound B having a smell of vinegar,produce a compoun C.Compoud C on alkaline hydrolisis give back compound A.Identify compound A,B and C?Name the reaction involved?

Answer 1

A is ethanol(C2H6O)
B is ethanoic acid(CH3COOH)
C is CH3COOC2H5 an ester
Reaction involved
CH3COOH + C2H6O gives CH3COOC2H5
And,
CH3COOC2H5 + NaOH gives C2H4+CH3COONa

Answer 2

Answer: Compound A is Ethanol. Compound B is Ethanoic acid. Compound C is Ester named as Ethyl ethanoate.

Explanation:

Compound "A" having formula $C_2H_6O$ react with Compound "B" which has a smell of vinegar. So, compound B is ethanoic acid or acetic acid having formula $CH_3COOH$

Compound A is ethanol whose formula is $CH_3CH_2OH$

When A reacts with B, it produces a compound which has a sweet smell.

The reactions for the above are:

$CH_3COOH+CH_3CH_2-OH\rightarrow CH_3-COO-CH_2-CH_3+H_2O$

          (B)              (A)                                (C)

Now, C on alkali hydrolysis, gives back Compound "A". The reaction follows:

$CH_3-COO-CH_2-CH_3+NaOH\rightarrow CH_3COONa+CH_3CH_2-OH$