Which of the following pair (s) of ions would be expected to form precipitate when dilute solutions are mixed?

Question

Which of the following pair (s) of ions would be expected to form precipitate when dilute solutions are mixed?

Which of the following pair (s) of ions would be expected to form precipitate when dilute solutions are mixed?
A. `NH_(4)^(+),[Co(NO_(2))_(6)]^(3-)`
B. `NH_(4)^(+),CO_(3)^(2-)`
C. `Fe^(3+),OH^(-)`
D. `Ba^(2+),SO_(4)^(2-)`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - A,C,D
(A)`NH_(4)^(+)+[Co(NO_(2))_(6)]^(3-)to(NH_(4))_(3)[Co(NO_(2))_(6)]darr`(yellow)
(B)Ammonium and alkali metal carbonates are water soluble.
( C)`Fe^(3+)+OH^(-)toFe(OH)_(3)darr`(reddish-brown)
(D)`Ba^(2+)+SO_(4)^(2-)toBaSO_(4)darr` (white)

4 views Answered 2023-02-05 15:29