Discuss the reactions of soddium hydroxide with the following non-metals : (a) chlorine, (b) sulphur, ( c) phosphorus and (d) silicon.
What are the oxidation states of sulphur atoms in peroxy sulphuric acids?
What is the difference in maximum atomicity of oxygen and sulphur?
How does sodium metal react with (a) sulphur, (b) alumina, ( c) carbondioxides and (d) acetylene?
What are the values of n_(1) and n_(2) respectively for H_(b) line in the Lyman series of hydrogen atom sepctrum ?
Arrange the following in the increasing order of acidic nature and discuss the reason : (a) Phenol, (b) p-nitrophenol and (c) p-cresol
Arrange the following compounds in the descending order of their pK_a values a) 2,4,6-trinitrophenol b) 3,4-dimitrophenol c) m-nitrophenol d) p-cresol e) phenol
Discuss the following trends in halogens. (a) atomic radius (b) ionisation potential (c) electron affinity and (d) electronegativity.
What are : (a) absorption (b) emission (c ) line and (d) band spectra.