Question

A green solid F is dissolved in water to form a solution. When sodium
hydroxide solution is added a dirty green precipitate is formed. Identify the
cation in F.

Answer 1

Answer:

Answer

Correct option is

B

iron [II]sulphate

Ferrous sulphate reacts with NaOH and gives green ppt of Fe(OH)  

2

​

 

FeSO  

4

​

+2NaOH→Fe(OH)  

2

​

+Na  

2

​

SO  

4

​

 

Ferrous sulphate reacts with BaCl  

2

​

 and gives white color barium sulphate ppt

BaCl  

2

​

+FeSO  

4

​

→BaSO  

4

​

+FeCl  

2

​

 

Hence option B is correct.

Explanation: