The molecule that has linear structure is

Arrange the following :

N₂, O₂, F₂, Cl₂ in increasing order of bond dissociation energy

Write down the balanced equation for the reaction when:
Carbon dioxide is passed through a concentrated aqueous solution of sodium chloride saturated with ammonia.

For two given events $$A$$ and $$B,$$ $$P\left( {A \cap B} \right)$$