The name of the compound $CH_{3}-CH_{2}-CHO$ is

State whether the following statement is true or false:
Carbon, in its all allotropic forms, burns in oxygen to give nitrogen dioxide along with the release of heat and light.

Which type of compound is formed,if one hydrogen of an alkane compound is substituted by a hydroxyl $[-OH]$ group?

Write the name of the next homologue of $CH_{3}OH$ and $HCOOH$.

State whether the following statement is true or false:
Heating ethanol at $443 \,K$ with excess concentrated sulphuric acid results in the dehydration of ethanol to give ethene.

Which of the following is the correct representation of the electron dot structure of nitrogen $(N_2)$?