Question
Which of the following pair of aqueous solutions when mixed will not form a precipitate?
A. FeCl2 (aq) and NaOH (aq)
B. Ni(NO3)2 (aq) and Li2(CO3) (aq)
C. KBr (aq) and AgNO3 (aq)
D. (NH4)2 CO3 (aq) and KBr (aq)
E. All of them
A. FeCl2 (aq) and NaOH (aq)
B. Ni(NO3)2 (aq) and Li2(CO3) (aq)
C. KBr (aq) and AgNO3 (aq)
D. (NH4)2 CO3 (aq) and KBr (aq)
E. All of them
Answers
DrBob222
Go to Google and type in solubility of salts. You will find, for example, that Fe(OH)2 is not soluble so A will form a ppt. Likewise, C will form AgBr ppt. So A and C are not the right answers.