Chapter Questions
Ethane, with the molecular formula $\mathrm{C}_{2} \mathrm{H}_{6}$ has(a) 6 covalent bonds.(b) 7 covalent bonds.(c) 8 covalent bonds.(d) 9 covalent bonds.
Butanone is a four-carbon compound with the functional group(a) carboxylic acid.(b) aldehyde.(c) ketone.(d) alcohol.
While cooking, if the bottom of the vessel is getting blackened on the outside, it means that(a) the food is not cooked completely.(b) the fuel is not burning completely.(c) the fuel is wet.(d) the fuel is burning comnletelve
Explain the nature of the covalent bond using the bond formation in $\mathrm{CH}, \mathrm{Cl} .$
Draw the electron dot structures for(a) ethanoic acid.(b) $\mathrm{H}_{2} \mathrm{~S}$.(c) propanone.(d) $\quad F_{2}$.
What is an homologous series? Explain with an example.
How can ethanol and ethanoic acid be differentiated on the basis of their physical and chemical properties?
Why does micelle formation take place when soap is added to water? Will a micelle be formed in other solvents such as ethanol also?
Why are carbon and its compounds used as fuels for most applications?
Explain the formation of scum when hard water is treated with soap.
What change will you observe if you test soap with litmus paper (red and blue)?
What is hydrogenation? What is its industrial application?
Which of the following hydrocarbons undergo addition reactions:$\mathrm{C}_{2} \mathrm{H}_{e^{+}} \mathrm{C}_{3} \mathrm{H}_{\mathrm{s}^{*}} \cdot \mathrm{C}_{3} \mathrm{H}_{6}, \mathrm{C}_{2} \mathrm{H}_{2}$ and $\mathrm{CH}_{4}$.
Give a test that can be used to differentiate between saturated and unsaturated hydrocarbons.
Explain the mechanism of the cleaning action of soaps.