1.

Which of the following can participate in linkage isomerism ?

Answer»

`NO_(2)^(-)`
`H_(2)overset(••)(N)CH_(2)CH_(2)overset(••)(N)H_(2)`
`H_(2)O`
`""_(•)^(•)NH_(3)`

SOLUTION :`NO_(2)^(-)` may be bonded to metal through NITROGEN (nitro) or through oxygen (nitro). Hence `NO_(2)^(-)` can participate in linkage isomerism.
`underset("cobalt (III) CHLORIDE")underset("pentaanminenitro")([(NH_(3))_(5)CoNO_(2)]Cl_(2))`and`underset("cobalt (III) chloride")underset("pentaamminenitro")([(NH_(3))_(5)CoONO]Cl_(2))`


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