Give the balanced equation for the reaction between chlorine with cold NaOH and hot NaOH.

How will you prepare chlorine in the laboratory?

Give the uses of sulphuric acid.

Give a reason to support that sulphuric acid is a dehydrating agent.

Write the reason for the anomalous behaviour of Nitrogen.

Write the molecular formula and structural formula for the following molecules.
a) Nitric acid
b) Dinitrogen pentoxide
c) phosphoric acid (PTA)
d) phosphine

Give the uses of argon.

Write the valence shell electronic configuration of group-15 elements.

Discuss the anomalous nature of fluorine.

Out of H₂O and H₂S which one has higher bond angle and why?