During the formation of N_2O_4 from NO_2,the | vedclass

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(B) The $NO_2$ molecule is an odd electron species with a paramagnetic character due to the presence of an unpaired electron on the nitrogen atom. Whe

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a weak $N-N$ bond and four equal $N-O$ bonds.

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(B) The $NO_2$ molecule is an odd electron species with a paramagnetic character due to the presence of an unpaired electron on the nitrogen atom. When two $NO_2$ molecules combine to form $N_2O_4$,the unpaired electrons on the nitrogen atoms of each $NO_2$ molecule pair up to form a $N-N$ single bond. This $N-N$ bond is relatively weak due to the repulsion between the lone pairs on the oxygen atoms. In the $N_2O_4$ structure,the four $N-O$ bonds are equivalent due to resonance,resulting in a planar structure.

During the formation of $N_2O_4$ from $NO_2$,the odd electrons on two $NO_2$ molecules pair up to form ............

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