CBSE Class 12 Chemistry Notes: The p Block Elements – Nitrogen Family (Phosphine)

Physical Properties
(i) It is a colourless gas having unpleasant garlic – like odour or rotten fish odour.
(ii) It is heavier than air and sparingly soluble in water.
(iii) It liquefies at – 89 degree C and solidifies at – 134 degree C.
(iv) It is poisonous in nature.

Chemical Properties
(a) Decomposition

Structure of phosphine
Phosphine is a covalent molecule. It has pyramidal structure like ammonia.

Class 12 Chemistry “The p Block Elements” All Topic Notes Class 12 Chemistry All Chapters Notes