1.

Which one of the oxides of nitrogen dimerises into colourless solid/liquid on cooling?

Answer»

`N_(2)O`
`NO`
`N_(2)O_(3)`
`NO_(2)`

Solution :`underset("(Brown)")(2NO_(2)) OVERSET("COOLING")underset("heating")to underset("(Colourless)")(N_(2)O_(4))`


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