Why does $NO_{2}$ dimerise?... - Class 12 Chemistry | Canvas Classes

Group 15 ElementsP Block elements G15-18

Why does $NO_{2}$ dimerise?

Due to the presence of one odd electron on the Nitrogen atom of $NO_{2}$ .

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Though Nitrogen exhibits +5 oxidation state, it does not form pentahalide. Give reason.

$PH_{3}$ has a lower boiling point than $NH_{3}$ . Why?

Why are pentahalides more covalent than trihalides?

Why is $BiH_{3}$ the strongest reducing agent amongst all the hydrides of Group 15 elements?

Write the reaction of thermal decomposition of sodium azide.