Explain the reason for the following.
`PCl_5` molecule is highly reactive.

Explain the reason for the following. C_2 molecule is stable and diamagnetic.

Explain the reason for sea breeze.

Valence Bond Theory (VBT) and Molecular Orbit Theory (MOT) are two important theories of chemical bonding.Explain the geometry of PCl_5 molecule and account for its high reactivity.

Explain the reason for the following . At the time of sunset western horizon is seen red .

Valence Bond Theory (VBT) and Molecular Orbital Theory (MOT) are the two important theories of chemical bonding b) Explain the geometry of the PCl_5 molecule and account for its high reactivity

State the hybridisation in the following molecule. PF_5

Prudict the mode of occurrence of the following metals. (i) Highly reactive (eg, sodium) (ii) Moderately reactive (such as iron) (iii) Noble metal. (Au, Pt)

Give the reason for the following: Phosphorus froms PCl_5 whille nitrogen cannot from NCl_5

Ammonia and Nitric acid are two industrially important compounds. Account for the following: PCl_5 fumes in moist air

Account for the high reactivity of PCl_5 molecule.