FORMATIVE ASSESSMENT QUESTIONS FOR CCE

Carbon exists in which form in the atmospheric air?

Write the correct forms of the following statement:

Fluorine atom is more electronegative than $\mathrm{H}$ atom, therefore, the $\mathrm{H}-\mathrm{F}$ bond is formed by gain and loss of electrons.

Write the correct forms of the following statement:

In ${\mathrm{C}}_2{\mathrm{H}}_4$ the valency of $\mathrm{C}$ atom is $4$, and in ${\mathrm{C}}_2{\mathrm{H}}_2$ the valency of $\mathrm{C}$ atom is $2$.

Which one is not an organic compound?

Name the organic compound which was prepared by Wohler in his laboratory. (Urea/ Ethanol)

Name the main factors which are responsible for the existence of a large number of organic compounds.

Identify alcoholic group, aldehydic group and carboxylic group from $-\mathrm{COOH}$, $-\mathrm{OH}$ and $-\mathrm{CHO}$.

Write the missing terms and complete the following table: