1. Tardigrade
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  3. Chemistry
  4. Which of the following bond angle is related to NO 2 molecule: 120°, 109°, 115°, 180°, 134° (Fill your answer as sum of digits.)

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Q. Which of the following bond angle is related to $NO _2$ molecule:
$120^{\circ}, 109^{\circ}, 115^{\circ}, 180^{\circ}, 134^{\circ}$
(Fill your answer as sum of digits.)

NTA AbhyasNTA Abhyas 2022

Solution:

Hybridization of nitrogen atom in $N O_2$ is $s p^2$.
In nitrogen dioxide there are two sigma bonds and one single electron. The geometry of molecule is bent and bond angle is $134^{\circ}$, which is more than ideal bond angle of $s p^2 120^{\circ}$.
Thus answer is $1+3+4=8$