According to the concept of resonance, whenever a single Lewis structure can't describe a molecule accurately, then a number of structure called resonating structure, with similar energy. Same relative position of all nuclei and with same number of paired and unpaired electrons The molecule as such has a single definite structure which is the resonance hybrid of the resonating structure and can't as such be depicted by a single Lewis structure. As a result of resonance, the bond order may change in many molecules or ions, and is given by formula Total number of bonds between two atoms Bond order =( text in all the structure / text Total number of resonating structures ) Which of the following molecule contains one pair of non bonding electrons?

Question

According to the concept of resonance, whenever a single Lewis structure can't describe a molecule accurately, then a number of structure called resonating structure, with similar energy. Same relative position of all nuclei and with same number of paired and unpaired electrons The molecule as such has a single definite structure which is the resonance hybrid of the resonating structure and can't as such be depicted by a single Lewis structure. As a result of resonance, the bond order may change in many molecules or ions, and is given by formula Total number of bonds between two atoms Bond order =( text in all the structure / text Total number of resonating structures ) Which of the following molecule contains one pair of non bonding electrons? (A) H 2 O (B) HF (C) NH 3 (D) CH 4

Tardigrade Admin · Accepted Answer

In NH 3 nitrogen has one lone pair of electron

$H_{2} O$

$H F$

$N H_{3}$

$C H_{4}$

In $N H_{3}$ nitrogen has one lone pair of electron

H2​O

HF

NH3​

CH4​

In NH3​ nitrogen has one lone pair of electron

$H_{2} O$

$H F$

$N H_{3}$

$C H_{4}$

In $N H_{3}$ nitrogen has one lone pair of electron