Which of the following statement is wrong ?

  • Option 1)

    The stability of  hydrides increases from NH3 to BiH3  in group 15 of the periodic table.

  • Option 2)

    Nitrogen cannot form d\pi -p\pi bond

  • Option 3)

    Single N-N bond  is weaker than the single P-Pbond

  • Option 4)

    N_{2}O_{4} has two resonance structure.

 

Answers (1)

As we learnt in

Thermal Stability of Hydride -

HF>HCl>HBr>HI

- wherein

Thermal stability increases with increase in electronegativity difference 

 

 

 

 

 Therefore, statement 1 is incorrect.


Option 1)

The stability of  hydrides increases from NH3 to BiH3  in group 15 of the periodic table.

This option is correct.

Option 2)

Nitrogen cannot form d\pi -p\pi bond

This option is incorrect.

Option 3)

Single N-N bond  is weaker than the single P-Pbond

This option is incorrect.

Option 4)

N_{2}O_{4} has two resonance structure.

This option is incorrect.

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