The structural formula of an ester is shown below:

 

Write the formula of the acid and the alcohol from which it is formed.

Consider the following organic compounds:

${\mathrm{CH}}_3\mathrm{OH}, {\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}, {\mathrm{CH}}_3{\mathrm{COCH}}_3, {\mathrm{CH}}_3\mathrm{COOH}, {\mathrm{C}}_2{\mathrm{H}}_5\mathrm{COOH}, {\mathrm{C}}_4{\mathrm{H}}_9{\mathrm{COOC}}_2{\mathrm{H}}_5, {\mathrm{CH}}_4, {\mathrm{C}}_2{\mathrm{H}}_6, {\mathrm{CH}}_3\mathrm{CHO}, \mathrm{HCHO}$

Out of these compounds, which compound is most likely to be sweet-smelling?

Consider the following organic compounds:

${\mathrm{CH}}_3\mathrm{OH}, {\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}, {\mathrm{CH}}_3{\mathrm{COCH}}_3, {\mathrm{CH}}_3\mathrm{COOH}, {\mathrm{C}}_2{\mathrm{H}}_5\mathrm{COOH}, {\mathrm{C}}_4{\mathrm{H}}_9{\mathrm{COOC}}_2{\mathrm{H}}_5, {\mathrm{CH}}_4, {\mathrm{C}}_2{\mathrm{H}}_6, {\mathrm{CH}}_3\mathrm{CHO}, \mathrm{HCHO}$

Out of these compounds, which compound on treatment with concentrated ${\mathrm{H}}_2{\mathrm{SO}}_4$ at $170 °\mathrm{C}$ forms an alkene?

Consider the following organic compounds:

${\mathrm{CH}}_3\mathrm{OH}, {\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}, {\mathrm{CH}}_3{\mathrm{COCH}}_3, {\mathrm{CH}}_3\mathrm{COOH}, {\mathrm{C}}_2{\mathrm{H}}_5\mathrm{COOH}, {\mathrm{C}}_4{\mathrm{H}}_9{\mathrm{COOC}}_2{\mathrm{H}}_5, {\mathrm{CH}}_4, {\mathrm{C}}_2{\mathrm{H}}_6, {\mathrm{CH}}_3\mathrm{CHO}, \mathrm{HCHO}$

Out of these compounds, which compound on repeated chlorination forms chloroform?

Consider the following organic compounds:

${\mathrm{CH}}_3\mathrm{OH}, {\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}, {\mathrm{CH}}_3{\mathrm{COCH}}_3, {\mathrm{CH}}_3\mathrm{COOH}, {\mathrm{C}}_2{\mathrm{H}}_5\mathrm{COOH}, {\mathrm{C}}_4{\mathrm{H}}_9{\mathrm{COOC}}_2{\mathrm{H}}_5, {\mathrm{CH}}_4, {\mathrm{C}}_2{\mathrm{H}}_6, {\mathrm{CH}}_3\mathrm{CHO}, \mathrm{HCHO}$

Out of these compounds, which compound is added to alcohol to denature it?

Consider the following organic compounds:

${\mathrm{CH}}_3\mathrm{OH}, {\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}, {\mathrm{CH}}_3{\mathrm{COCH}}_3, {\mathrm{CH}}_3\mathrm{COOH}, {\mathrm{C}}_2{\mathrm{H}}_5\mathrm{COOH}, {\mathrm{C}}_4{\mathrm{H}}_9{\mathrm{COOC}}_2{\mathrm{H}}_5, {\mathrm{CH}}_4, {\mathrm{C}}_2{\mathrm{H}}_6, {\mathrm{CH}}_3\mathrm{CHO}, \mathrm{HCHO}$

Out of these compounds, which compound is a constituent of vinegar?

Consider the following organic compounds:

${\mathrm{CH}}_3\mathrm{OH}, {\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}, {\mathrm{CH}}_3{\mathrm{COCH}}_3, {\mathrm{CH}}_3\mathrm{COOH}, {\mathrm{C}}_2{\mathrm{H}}_5\mathrm{COOH}, {\mathrm{C}}_4{\mathrm{H}}_9{\mathrm{COOC}}_2{\mathrm{H}}_5, {\mathrm{CH}}_4, {\mathrm{C}}_2{\mathrm{H}}_6, {\mathrm{CH}}_3\mathrm{CHO}, \mathrm{HCHO}$

Out of these compounds, which compound is used to sterilise wounds and syringes?

An organic acid $\mathrm{X}$ is a liquid, which often freezes during winter time in cold countries, having the molecular formula ${\mathrm{C}}_2{\mathrm{H}}_4{\mathrm{O}}_2$. On warming it with methanol in the presence of a few drops of concentrated sulphuric acid, a compound $\mathrm{Y}$ with a sweet smell is formed.

Identify $\mathrm{X}$ and $\mathrm{Y}$. Also write their formulae showing the functional group present in them.

An organic acid $\mathrm{X}$ is a liquid, which often freezes during winter time in cold countries, having the molecular formula ${\mathrm{C}}_2{\mathrm{H}}_4{\mathrm{O}}_2$. On warming it with methanol in the presence of a few drops of concentrated sulphuric acid, a compound $\mathrm{Y}$ with a sweet smell is formed.

Write a chemical equation for the reaction involved.