My name is ‘X’. I am a poisonous colourless gas with the smell of – InterviewSolution

InterviewSolution

1.

My name is ‘X’. I am a poisonous colourless gas with the smell of rotten fish.1. Identify ‘X’.2. Explain the laboratory preparation of X.

Answer»

1. Phosphine(PH₃).

2. By heating white phosphorus with concentrated NaOH solution in an inert atmosphere of CO₂.

P₄ + 3NaoH + 3H₂O \(\longrightarrow\) PH₃ + 3NaH₂PO₂ ( Sodium hypophosphite).

Discussion

No Comment Found

Related InterviewSolutions

Nitrogen cannot extend its covalency beyond four but it forms wide variety of oxides and also forms oxoacids.1. Name the two oxoacids of nitrogen. 2. Action of nitric acid with metals depends on many factors. Justify.
Nitrogen forms a number of oxides and oxoacids. a) Which of the following is a neutral oxide of Nitrogen.i) N2Oii) N2O5iii) NO2iv) N2O4b) Prepare a short write – up on Nitric acid high lighting its laboratory preparation, chemical properties and uses.ORPhosphorous forms a number of compounds.a) The gas liberated when calcium phosphide is treated with die. HCl isi) Clii) H2iii) PH3iv) All the aboveb) Prepare a short write up on PCl3 and PCI5 highlighting the preparation and chemical properties of PCl3 and structure of PCl5.
XeF6 on complete hydrolysis produces ………… (a) XeOF4 (b) XeO2F3(c) XeO3 (d) XeO2
The molarity of given orthophosphoric acid solution is 2M. its normality is ………… (a) 6N (b) 4N (c) 2N (d) none of these
Mention the uses of nitrogen?
What happen when sodium azide undergoes thermal decomposition?
Bond order for nitrogen molecule is ………… (a) 1 (b) 2 (c) 3 (d) 0
What are pnictogens?
Which one of the following shows isotopes? (a) Nitrogen (b) Arsenic (c) Antimony (d) Bismuth
Nitrogen gas in atmosphere is separated industrially from liquid air by ………… (a) simple distillation (b) Fractional distillation (c) Sublimation (d) Distillation under reduced pressure