Advertisements
Advertisements
Questions
Nitrogen does not form pentahalide.
Why does nitrogen not form pentahalides?
Advertisements
Solution 1
Nitrogen does not form a pentahalide because of the non-availability of the d orbitals in its valence shell.
Solution 2
- Nitrogen lacks d-orbitals in its valence shell, which are needed to expand its octet.
- Without available d-orbitals, nitrogen cannot accommodate the five covalent bonds required for pentahalides.
- Hence, unlike phosphorus and other group 15 elements, nitrogen cannot form compounds like (PCl5).
- Phosphorus pentachloride forms through (sp3d)-hybridisation and has a trigonal bipyramidal geometry, which nitrogen cannot achieve.
- This is why nitrogen pentahalides are not known in chemistry.
Notes
Students can refer to the provided solutions based on their preferred marks.
APPEARS IN
RELATED QUESTIONS
Why does nitrogen show catenation properties less than phosphorus?
Among the hydrides of Group-15 elements, which have the maximum basic character?
Account for the following :
Reducing character decreases from SO2 to TeO2
Account for the following :
Noble gases have very low boiling points.
Account for the following :
Sulphur in vapour form exhibits paramagnetic behaviour.
Which among the following forms basic oxide?
Elements of group-15 form compounds in +5 oxidation state. However, bismuth forms only one well-characterised compound in +5 oxidation state. The compound is ______.
The correct order of oxidising power is:
If chlorine gas is passed through hot NaOH solution, two changes are observed in the oxidation number of chlorine during the reaction. These are :
(i) 0 to +5
(ii) 0 to +3
(iii) 0 to –1
(iv) 0 to +1
A group 15 element, which is a metal and forms a hydride with strongest reducing power among group 15 hydrides. The element is ______.
