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Among the following statements which one...

Among the following statements which one is incorrect?

A

Nitrogen has the ability to form propre bonds with itself.

B

Bismuth forms metallic bonds in elemental state

C

Catenation tendency is higher in nitrogen when compared with other elements of the same group

D

Nitrogen has higher first ionization enthalpy when compared with other elements of the same group.

Text Solution

Verified by Experts

The correct Answer is:
D
The oxidation state can be calculated as
`H_4P_2O_5 " "H_4P_2O_6`
`+4 + 2x + 5(-2)=0 " " +4+2x + 6(-2)=0`
`2x-6=0 rArr x = +3 " " 2x-8 = rArr x = + 4`
`H_4P_2O_7`
`+4+2x + 7(-2)=0`
`2x-10 = 0 rArr 2x = 10 rArr x = +5`
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