Which of the following statements is wrong ?

Engineering

Chemistry

Compounds of Nitrogen Family

Question

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

Single N – N bond is weaker than the single P – P bond.

N₂O₄ has two resonance structures

Nitrogen can not from dπ – pπ bond.

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The stability of hydrides decreases from NH₃ to BiH₃ which can be observed from their bond dissociation enthalpy. The correct order is NH₃ < PH₃ < AsH₃ < SbH₃ < BiH₃.

Property NH₃ PH₃ AsH₃ SbH₃ BiH₃

Bond energy H^Θ(E–H) / kJ mol^–1 389 322 297 255 ––