Draw the structural diagram of the product obtained when ethene reacts with chlorine.
Answer
The product obtained is 1,2-dichloro ethane:

An organic acid on cooling below 16.5°C crystallises out in the pure form, forming a crystalline mass resembling ice. Draw the structural diagram of this carboxylic acid.
Answer
The carboxylic acid is glacial acetic acid:

Magnesium ribbon is added to dilute HCl. A gas is liberated along with the formation of a compound. Draw an electron dot diagram to show the structure of the compound that is formed.
Answer
HCl reacts with magnesium ribbon to form MgCl2 and hydrogen gas is liberated. Electron dot diagram of MgCl2 is shown below: positive

Draw the chain Isomer for the following organic compound.

Answer
Chain Isomer of pentene is shown below:

Calcium hydroxide dissolves in water and forms a ion and a negative ion. Draw the structure of the negative ion.
Answer
The negative ion formed is hydroxyl ion. Its structure is shown below:

Draw the structure of the following organic compounds:
2–methyl butane
Answer
Structure of 2–methyl butane is shown below:

The equation given below represents the molecule formation of element X. Fill in the box with the electron dot structure of the molecule.

Answer
Completed equation is shown below:

Draw an isomer of the given structure:

Answer
The given structure is of Iso-butane. Its isomer is shown below:
