Draw the structural formula of butanone.

Study the equation and answer the following:

${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{OH} \stackrel{\mathrm{acidic} {\mathrm{K}}_2{\mathrm{Cr}}_2{\mathrm{O}}_7}{\to } {\mathrm{CH}}_3\mathrm{COOH}$

What is the role of  ${\mathrm{K}}_2{\mathrm{Cr}}_2{\mathrm{O}}_7$ in the above reaction?

Study the equation and answer the following:

${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{OH} \underset{{\mathrm{H}}_2{\mathrm{SO}}_4}{\overset{\mathrm{hot} \mathrm{con}}{\to }} {\mathrm{CH}}_2={\mathrm{CH}}_2+\mathrm{CHO}$

What is the role of ${\mathrm{H}}_2{\mathrm{SO}}_4$ in the above reaction?

Name the following:

The residue is left behind when the wood is burnt in a limited supply of air.

Observe the correlation in the first pair and complete the second pair.

${\mathrm{CH}}_3\mathrm{OH}$ : Methanol. : :${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{COOH}$ : _____.  

Observe the correlation in the first pair and complete the second pair.

Saturated hydrocarbons : Substitution reactions : : Unsaturated hydrocarbons : _____.

Answer the following:

Give a chemical equation for the reaction of Ethanol with excess hot conc. sulphuric acid.