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VA group elements form both trihalides a...

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:

A

`NCI_(3)`

B

`PCI_(3)`

C

`AsCI_(3)`

D

`SbCI_(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
`NCI_(3)+H_(2)O rarrNH_(3)+HOCI`
`PCI_(3)+H_(2)O rarr H_(3)PO_(3)+HCI`
`SbCI_(3) +H_(2)O rarr SBOCI darr +HCI`
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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

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VA group elements form tri oxides and pentoxides of the type M_(2)O_(3) and M_(2)O_(5) respectively (M-VA group element). The trioxides and pentoxides of nitrogen are monomers and that of P,As,Sb are dimers. Nitrogen forms various oxides ranging from NO to N_(2)O_(5) . Oxides of phosphorous have cage like stuctures. Number of P-O-P bonds in P_(4)O_(10) :

The elements of VA group direcly combines with halogens and form trihalides of the type MX_(3) (M-VA group element, X- halogen). All the trihalides are stable except NCl_(3),NBr_(3) and NI_(3) . The tendency of act as Lewis bases of these trihalides is in the order of

The elements of VA group direcly combines with halogens and form trihalides of the type MX_(3) (M-VA group element, X- halogen). All the trihalides are stable except NCl_(3),NBr_(3) and NI_(3) . The tetrahedral structure with a particular hybridisation of the central atom of NX_(3) (X =F, CI,Br,I)

Fifth group elements form hydrides to type AH_(3) . The hydrides have a lone pair of electrons. The hydries are reducing in nature and the reducing power is related to the stability of A-H bonds. The hydrides are covalent and low boiling. Their boiling points depends on their ability to from hydrogen bond and their molecular size which decide the intermolcular forces in the hydrides . The H-M-H bond angle of V group hydrides decrease from 107^(circ) to 90^(circ) for NH_(3) to SbH_(3) , this is due to:

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