Atomic and Physical Properties of Group 17 Elements
Atomic and Physical Properties of Group 17 Elements: Overview
This topic covers concepts, such as, Atomic and Physical Properties of Group 17 Elements, Electronic Configuration of Halogens, Colors of Halogens & Enthalpy of Dissociation of Halogen Molecules etc.
Important Questions on Atomic and Physical Properties of Group 17 Elements
Which amongst the following halogen has the highest hydration enthalpy?

Discuss briefly the hydration enthalpy of halogens. Mention the order of hydration enthalpy.

_____ has the lowest value of ionisation energy among the halogens.

The ionisation enthalpy of _____ is highest among the halogens.

Fluorine has the highest ionisation enthalpy among the halogens. Give reason.

Discuss briefly about the variation of ionisation enthalpy in halogens.

The halogen acid which has highest bond dissociation enthalpy is _____.()

Iodine vapours are violet in colour because the molecules of iodine:

The negative value of electron gain enthalpy is less for fluorine than for chlorine.

Which among the following lithium halides is more covalent in nature?

Why does fluorine have exceptionally smaller bond dissociation enthalpy?

The ionisation energies of halogens are _____.

Give reasons :
Fluoride ion has higher hydration enthalpy than chloride ion.

Fluorine does not show positive oxidation state due to absence of:

What are the trends in ionization enthalpy and in electronegativity of group elements?

Bromine has the highest negative electron gain enthalpy as compared to other elements of period. Explain.

Why are halogens coloured ?

The halogen with highest negative electron gain enthalpy is ?

Affinity for hydrogen decreases in the group from fluorine to iodine. Which of the halogen acids should have highest bond dissociation enthalpy?

Bond energy of halogens follows the order-
