Question 48.
Identify the compound X on the basis of the reactions given below. Also, write the name and chemical formulae of A, B and C.

Q. (a) What would be observed on adding a 5% alkaline potassium permanganate solution drop by drop to some warm ethanol in a test-tube? Write the name of the compound formed during the chemical reaction. Also write chemical equation of the reaction which takes place.
(b) How would you distinguish experimentally between an alcohol and a carboxylic acid on the basis of a chemical property?

Q. A compound $X$ on heating with excess conc. sulphuric acid at $443K$ given a saturated compound $Y$. $X$ also reacts with sodium metal to evolve a colourless gas $Z$. Identify $X,Y$ and $Z$. Write the equation of the chemical reaction of formation of $Y$ and also write the role of sulphuric acid in the reaction.

Q. An organic compound A is a constituent of antifreeze . The compound on heating with oxygen forms another compound B which has molecular formula of C₂H₄O_{6 , identify the compounds. Write chemical reaction involved. Write one use of each compound.}

Q. Write chemical formula of propane. Write the names and structural formulae of two compounds, that may be formed during its substitution reaction with chlorine.

Q. Identify the compound $X$ on the basis of the reactions given.