Exercise

Choose the correct statement.
(i) Saturated hydrocarbons contain single bonds only.
(ii) Saturated hydrocarbons may have a double bond between carbon atoms.
(iii) All alkenes are saturated hydrocarbons.
(iv) Alkenes show homologous series.

Which of the following burns without producing flame?

Oils on treating with hydrogen in the presence of palladium of nickel catalyst form fats. This is an example of

What are the properties of covalent compounds and explain?

Using dots $\left(\circ \right)$ and crosses $\left(\times \right)$ to represent valence electrons, show the formation of covalent bonds in Carbon tetrachloride.

Ethanol reacts with sodium and form two products. These are

Which of the following is not an crystalline allotrope of carbon?
(i) Graphite
(ii) Coal-gas
(iii) Diamond
(iv) Coal

How does an ionic bond differ from a covalent bond? Illustrate your answer by giving examples of each type of bond.