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When white phosphorous reacts with NaOH,...

When white phosphorous reacts with `NaOH`, it produces a gaseous mixture by the following parallel reaction.
`P_(4) +3NaOH +3H_(2)O rarr 3NaH_(2)PO_(2)+PH_(3)uarr`
`3P_(4)+8NaOH +8H_(2)O rarr 8NaH_(2)PO_(2)+2P_(2)H_(4)uarr`
The correct thermal stability order is

A

The lone pair of P is present at 3d orbital

B

the lone pair of P raised at almost pure p orbital

C

the lone pairs of p raised at `sp^(3)` hybrid orbital

D

the lone pair of p raised at almost pure s orbital

Text Solution

Verified by Experts

The correct Answer is:
D
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When white phosphorous reacts with NaOH , it produces a gaseous mixture by the following parallel reaction. P_(4) +3NaOH +3H_(2)O rarr 3NaH_(2)PO_(2)+PH_(3)uarr 3P_(4)+8NaOH +8H_(2)O rarr 8NaH_(2)PO_(2)+2P_(2)H_(4)uarr The gas mixture comes out and catches fire immediately due the presence of

P_(4)+NaOH to PH_(3) uarr+NaH_(2)PO_(2)

P_(4)+NaOH+H_(2)O rarr NaH_(2)PO_(3)+PH_(3) is

NARAYNA-15TH GROUP ELEMENTS-Level-V
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  12. Basicity of X,Y,M are respectively:

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  14. The order of the oxidation state of the phosphorus in H(3)PO(2),H(3)PO...

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  15. The order of the oxidation state of the phosphorus in H(3)PO(2),H(3)PO...

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  16. CaCO(3)(g) overset(Delta)rarr A (s)+B(g), A(s) +D(s) rarr E(s)+F(g) ...

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  17. CaCO(3)(g) overset(Delta)rarr A (s)+B(g), A(s) +D(s) rarr E(s)+F(g) ...

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  18. CaCO(3)(g) overset(Delta)rarr A (s)+B(g), A(s) +D(s) rarr E(s)+F(g) ...

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  19. Phosphorous forms a number of oxoacids which differ in their structure...

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  20. Phosphorus forms a number of oxoacids which differ in their structures...

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