Pentahalides

Chemistry OF Phosphorus|| Allotropes OF Phosphorous ||White|| Red||Black||Halides OF Phosphorus ||Trihalide|| Pentahalide||Some important reaction and mechanism

(a)Account for the following : (i)The acidic strength decreases in the order HCl gt H_(2)S gt PH_(3) (ii)Tendency to form pentahalides decreases down the group in group 15 of the periodic table. (b)Complete the following chemical equations. : (i) P_(4)+SO_(2)Cl_(2)to (ii) XeF_(2)+H_(2)O to (iii) I_(2)+underset(("conc"))(HNO_(3)) to

VA group elements form both trihalides and pentahalides of the tyep MX_(3) and MX_(5) respectively (M-VA group element, X-halogen). Both type of halides undergo hydrolysis. Most of these covalent in nature and process covalent bonds formed by overlapping of orbitals. Aqueous solution of these halides conduct electricity. The halides which releases and alkaline gas on hydrolysis:

VA group elements form both trihalides and pentahalides of the tyep MX_(3) and MX_(5) respectively (M-VA group element, X-halogen). Both type of halides undergo hydrolysis. Most of these covalent in nature and process covalent bonds formed by overlapping of orbitals. Aqueous solution of these halides conduct electricity. The trihalide which undergoes partial hydrolysis is

Why nitrogen trihalide cannot be oxidised to pentahalide whereas phosphorous trihaldes can be oxidised to pentahalide ?

Bismuth forms the only pentahalide with the halogen

Give reasons : Nitrogen does not form pentahalide.