Chapter 7. The P block Element Chapter 7 The p Block, Chemistry Class 12 | Page 9
23 . Phosphine : Preparation :
Phosphine is highly poisonous , colourless gas and has a smell of rotten fish .
24 . Chlorides of Phosphorous :
Chapter 7. The P block Element Chapter 7 The p Block, Chemistry Class 12 | Page 8
Chapter 7. The P block Element Chapter 7 The p Block, Chemistry Class 12 | Page 10