A student combines solutions of silver nitrate, #AgNO_3#, and sodium chromate, #Na_2CrO_4#, and observes that a reddish-brown solid forms. Based on this observation, what type of a reaction can the student infer has occurred?
A metathesis, or partner exchange reaction has occurred:
Most silver salts are quite insoluble; the nitrate is an exception. Silver chromate precipitates from aqueous solution as a brick red precipitate.
The reaction could also be called a